Question 1

Eric is the son of Tom, who is the brother of Jerry, who is the daughter of Sin. Doremon is the sister of Popoy, who is the son of Chain. Ivanka is the daughter of Popoy, who is the husband of Jerry. Sin is male and Chain is female. How is Ivanka re…

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Introduction / Context:This is a multi step blood relation puzzle involving three generations across two connected families. Such questions measure your ability to trace relations through several links and then compress that into a single common term such as cousin, aunt, nephew and so on. Visualising a family tree is the most effective way to solve these problems. Given Data / Assumptions: Eric is the son of Tom. Tom is the brother of Jerry. Jerry is the daughter of Sin, and Sin is male. Popoy is the son of Chain, and Chain is female. Doremon is the sister of Popoy. Ivanka is the daughter of Popoy, who is the husband of Jerry. So Popoy and Jerry are married. Standard exam assumptions of monogamous families are used unless stated otherwise. Concept / Approach:The best approach is to build the family tree layer by layer. First build the Sin side of the family that contains Tom, Jerry and Eric. Then build the Chain side that contains Popoy, Doremon and Ivanka. Finally, connect both sides through the marriage of Popoy and Jerry and see how their child Ivanka is related to Eric, the son of Tom. Step-by-Step Solution:Step 1: From "Tom is the brother of Jerry" and "Jerry is the daughter of Sin", we know that Tom and Jerry are children of Sin. Sin is in the grandparent generation.Step 2: Eric is the son of Tom, so Eric is in the next generation below Tom and Jerry. Thus Sin is the grandfather of Eric.Step 3: On the other side, Popoy is the son of Chain, and Doremon is his sister, so both Popoy and Doremon are children of Chain.Step 4: Ivanka is the daughter of Popoy, who is the husband of Jerry. That means Popoy and Jerry are a married couple and Ivanka is their daughter. So Ivanka is also in the same generation as Eric.Step 5: Since Tom and Jerry are siblings, their children, Eric (child of Tom) and Ivanka (child of Jerry and Popoy), are grandchildren of the same grandparent Sin.Step 6: Children of siblings are called first cousins. Ivanka is female, so from Eric point of view she is his cousin sister. Verification / Alternative check:List generations clearly. Generation 1: Sin and Chain. Generation 2: Tom and Jerry (children of Sin), Popoy and Doremon (children of Chain). Generation 3: Eric (son of Tom) and Ivanka (daughter of Popoy and Jerry). Since Eric and Ivanka share one common grandparent Sin through their parents Tom and Jerry, they are first cousins. Gender only refines the term to cousin brother or cousin sister. Here Ivanka is female, so cousin sister fits. Why Other Options Are Wrong:Ivanka cannot be Eric daughter, because they are in the same generation and both are grandchildren of Sin. She is not his niece because she is not the child of Eric sibling. She is not his nephew, as that would require Ivanka to be male. The term cousin sister perfectly captures "daughter of my father or mother sibling" when that child is female. Common Pitfalls:Many learners get lost in the long wording and mix up spouses with siblings. A common error is to treat Popoy and Tom as brothers just because they appear alongside each other, which would completely change the relation. Always carefully mark who is whose parent, who is a sibling and who is a spouse. Drawing a simple tree with arrows for parent child and side links for marriage helps prevent such mistakes. Final Answer:Ivanka is Eric cousin sister.

Question 2

Introducing a man to her husband, a woman said, "His brothers father is the only son of my grandfather." How is the woman related to this man?

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Introduction / Context:This is another layered blood relation statement where the speaker uses a relative, that relative father and then a grandparent in one sentence. The task is to translate that sentence into a simple relationship between the woman and the man she is introducing. These kinds of questions reward a calm, stepwise decoding strategy. Given Data / Assumptions: A woman is speaking to her husband and introducing a man. She says, "His brothers father is the only son of my grandfather." "My grandfather" refers to the father of one of her parents. "Only son of my grandfather" means that this grandfather has exactly one male child. We assume usual family structures and no hidden adoptions or remarriages unless mentioned. Concept / Approach:The crucial part of the sentence is the chain: his brother → his brothers father → only son of my grandfather. If we can identify who is the "only son of my grandfather" from the womans point of view, then we can link that person to the man being introduced. Once we know that this person is her own father, it becomes straightforward to see that the man is her brother and she is his sister. Step-by-Step Solution:Step 1: Let the man being introduced be M. Then "his brother" means a male sibling of M. Both share the same father, call him F.Step 2: "His brothers father" is simply F again, because the man and his brother have the same father.Step 3: The woman says that this father F is "the only son of my grandfather." So F is the only son born to her grandfather.Step 4: From the womans perspective, the only son of her grandfather is normally her father, because a son-in-law is not counted as a son in this wording. So F is her father.Step 5: If F is both the father of M and the father of the woman, M and the woman are children of the same father. That makes them brother and sister.Step 6: The question asks, "How is the woman related to this man?" Since the man is male and the woman shares the same father, she is his sister. Verification / Alternative check:Imagine names. Suppose the womans grandfather is Raghav, and his only son is Suresh. Suresh has two children: Meera and Mohan. Meera is the woman speaking, and Mohan is the man being introduced. Meera sentence becomes, "Mohan brothers father is the only son of my grandfather." Mohan brother is still a son of Suresh, and Suresh is indeed the only son of Raghav. This fits perfectly with Meera and Mohan being siblings. Why Other Options Are Wrong:The woman cannot be the mother of the man, since she clearly describes his father as the only son of her grandfather, which points to her own father. She is not his aunt, because then the man would be a child of her sibling, not a direct child of the grandfather only son. Cousin also fails because cousins share grandparents but not the same parents. Sister-in-law would require her to be married to his brother, which the sentence does not support. Common Pitfalls:Many candidates get stuck at "his brothers father" and treat that as a completely new person instead of realising it loops back to the same father. Another frequent mistake is to treat "only son of my grandfather" as possibly an uncle rather than almost certainly the womans own father. Always start by labelling each person with a symbol and drawing a short diagram if needed. Final Answer:The woman is the man sister.

Question 3

X introduces Y saying, "He is the husband of the granddaughter of the father of my father." How is Y related to X?

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Introduction / Context:This problem involves three generations and then adds a spouse on top of that. It is a typical exam pattern where you must carefully understand phrases like "father of my father" and "granddaughter" and then see how the husband of that person fits into your own family from the speakers point of view. Given Data / Assumptions: X is speaking and introducing Y. X says, "He is the husband of the granddaughter of the father of my father." "Father of my father" is X grandfather on the paternal side. "Granddaughter of the father of my father" refers to any granddaughter of that grandfather. We assume standard family structures and that the exam expects the most natural and common relation from the options given. Concept / Approach:We first identify the central ancestor, then list who can be called a granddaughter of that person, and finally attach a husband to such a granddaughter. That husband relation is what Y has with X. For the phrase "granddaughter of the father of my father", natural candidates for that granddaughter are X sisters or female cousins from the grandfather other children. Step-by-Step Solution:Step 1: The "father of my father" is X grandfather.Step 2: Any granddaughter of this grandfather must be a female person in the generation of X. She could be X herself if X is female, or X sister, or a female cousin who is the daughter of one of X uncles or aunts from that grandfather line.Step 3: The sentence says that Y is the husband of such a granddaughter. Thus Y is married to a woman who is in the same generation as X and is a granddaughter of X grandfather.Step 4: From X perspective, if that granddaughter is X herself, then Y would be X husband. If the granddaughter is X sister, Y is X brother-in-law. If the granddaughter is X cousin, Y is still treated socially and in exam language as a brother-in-law.Step 5: Among standard reasoning questions and the given options, the relationship most consistently fitting is that Y is the brother-in-law of X. Verification / Alternative check:Consider a typical case where the granddaughter in question is X sister. Let the grandfather be G. G has a son F who is X father, and a daughter A who is X aunt. X and his sister S are children of F. S is clearly a granddaughter of G. If Y is the husband of S, then for X, Y is his brother-in-law. If instead the granddaughter is the daughter of the aunt A, she is X cousin. Y would still be the husband of a female from the same generation, again commonly treated as brother-in-law in such exam questions. Why Other Options Are Wrong:Y cannot be X son-in-law, because that would require Y to be married to X daughter, who would be a great granddaughter of X grandfather, not a granddaughter. Y is not X real brother because there is no information that they share parents. Son or uncle also do not fit, as being the husband of a granddaughter places Y in the same generation as X, not above or below. Common Pitfalls:Learners sometimes mix up generation levels and treat the granddaughter as if she were a daughter of X, which leads to the wrong choice "son-in-law". Always count generations: grandfather, parent, self, child correspond to four levels. A granddaughter of your grandfather is in your own generation, not your daughters generation. Keeping track of levels avoids such confusion. Final Answer:Y is related to X as a brother-in-law.

Question 4

A is the father of B, but B is not the son of A. What is B to A?

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Introduction / Context:This is a very common and straightforward blood relation puzzle that tests whether you remember that a child can be either a son or a daughter. Many candidates automatically assume male children in these reasoning questions and miss the simple gender twist, so exam setters like to include this pattern. Given Data / Assumptions: A is the father of B. So B is a direct child of A. B is not the son of A. So B is not male. We assume a simple nuclear family with no hidden adoption or step relations. All options are simple relations like daughter, granddaughter and so on. Concept / Approach:In human families, a child can be a son or a daughter. If someone is clearly the father of B but B is not a son, then B must be a daughter, because there is no other basic parent child relation that fits. The question is essentially a test of not jumping to conclusions and of reading all the information carefully. Step-by-Step Solution:Step 1: From "A is the father of B", we know two facts: A is male and B is a child of A.Step 2: The second statement says "B is not the son of A". This eliminates the possibility that B is a male child.Step 3: The only remaining standard possibility for a direct child is that B is a female child of A.Step 4: A female child of a person is called a daughter.Step 5: Therefore, B is the daughter of A. Verification / Alternative check:Try small examples. Suppose A is a man named Rohan. The statement tells you that Rohan is the father of B, so B is Rohan child. Then you are told that B is not Rohan son. The only way for someone to be a child of Rohan and not be a son is to be a daughter. Options like granddaughter or niece require extra generations or siblings that are not present in the information given. Why Other Options Are Wrong:A cannot be the grandfather of B because that would require one more generation, namely a parent between A and B. Son-in-law would require B to be married to A child, which is impossible if A is already B father. Granddaughter implies that B is a child of A son or daughter, not a direct child. Niece would mean B is the child of A sibling, again contradicting the direct father child statement. Common Pitfalls:The usual mistake is overthinking and searching for some exotic relation when the answer is simply daughter. Another mistake is to ignore the second sentence and treat B as the son of A by habit. Always read all statements before deciding; if a question mentions that someone is not a son, it is almost always guiding you to consider the daughter case. Final Answer:B is A daughter.

Question 5

In a family, there are six members A, B, C, D, E and F. A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died. How many mal…

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Introduction / Context:This is a family puzzle that asks you to determine the number of male members based on a short description. It combines information about marriage, parent child relations and gender words like brother, son, sister, husband and daughter-in-law. These clues must be joined logically to identify who is male and who is female. Given Data / Assumptions: Family members: A, B, C, D, E, F. A and B are a married couple, and A is male. C is the brother of A. D is the only son of C. E is the sister of D. B is the daughter-in-law of F. F husband has died, so F is a widow and therefore female. All six mentioned persons are the only members we count. Concept / Approach:The technique is to mark each person as male or female based on the strongest clue associated with them. Words like brother, son, husband clearly indicate male, while sister, daughter-in-law and widow clearly indicate female. Once every member is classified, we simply count the males. Step-by-Step Solution:Step 1: From "A and B are a married couple, A being the male member", we mark A as male and B as female.Step 2: "C is the brother of A" tells us that C is male.Step 3: "D is the only son of C" tells us D is male and a child of C.Step 4: "E is the sister of D" tells us E is female and a child in the same generation as D.Step 5: "B is the daughter-in-law of F, whose husband has died" implies that F is a female elder relative (the mother-in-law). Her husband was another male, but he is not one of the six listed members, so he is not counted.Step 6: Now classify: A (male), B (female), C (male), D (male), E (female), F (female).Step 7: Count the males: A, C and D. This gives exactly three male members in the family. Verification / Alternative check:It is useful to draw a quick family sketch. Place F at the top as an older female whose husband is deceased. She has a son A, who is married to B. C is stated to be the brother of A, so he is another son of F. C has children D (son) and E (daughter). This picture confirms that there are three males (A, C, D) and three females (B, E, F) among the six named members. Why Other Options Are Wrong:A count of 1 or 2 males would mean that either C or D would have to be female, which directly contradicts the terms brother and son. A count of 4 or 5 males would force us to treat one or more clearly female roles such as sister, daughter-in-law or widow as male, which also contradicts the description. Therefore only the count of 3 is consistent with all the given clues. Common Pitfalls:A typical mistake is to accidentally include the dead husband of F in the head count, even though he is not one of the six listed members. Another error is to misread the phrase "only son of C" and think it changes the number of males directly, when it only clarifies that D is male and C has no other sons. Always restrict counting to the named persons and use gender words carefully. Final Answer:The family contains 3 male members.

Question 6

Pointing to a photograph, a woman says, "This mans sons sister is my mother-in-law." How is the womans husband related to the man in the photograph?

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Introduction / Context:This blood relation question connects three generations and requires you to track a chain of relations starting from a man in a photograph, through his children, to the mother-in-law of the speaker. Then you must deduce how the speaker husband is related to the man in the photograph. Given Data / Assumptions: A woman is looking at a photograph of a man. She says, "This mans sons sister is my mother-in-law." "My mother-in-law" is the mother of the womans husband. We assume the usual nuclear family structure with one set of parents for each person. The options describe possible relations of the womans husband to the photographed man. Concept / Approach:The key is to simplify the phrase "this mans sons sister". The son of the man is his child. The sister of that son is also a child of the same man, therefore his daughter. The sentence then effectively says, "This mans daughter is my mother-in-law." From that point, it becomes a standard grandparent relation problem. Step-by-Step Solution:Step 1: Let the man in the photograph be M.Step 2: "Mans son" is a male child of M. Let that son be S.Step 3: "Sons sister" is a female child of M, because both S and his sister are children of M. So this sister is M daughter.Step 4: The woman says that this daughter is her mother-in-law. So M daughter is the mother of the womans husband.Step 5: If M daughter is the mother of the womans husband, then M is the father of that mother. Thus M is the maternal grandfather of the womans husband.Step 6: From the perspective of the womans husband, M is his grandfather. Therefore, the womans husband is the grandson of M. Verification / Alternative check:Use example names. Let the man in the photograph be Ramesh. Ramesh has a son Raj and a daughter Sita. Raj and Sita are siblings. The woman says, "This mans sons sister is my mother-in-law." That means Sita is her mother-in-law and is married to some man, and they have a son named Arun, who is the womans husband. Ramesh is then the father of Sita and therefore Aruns grandfather. So Arun, the womans husband, is Ramesh grandson. Why Other Options Are Wrong:The womans husband cannot be the son of the man in the photograph, because that would make the mans daughter his sister, not his mother. He is not a son-in-law of the man, since a son-in-law would be married to one of the mans daughters, not be the child of that daughter. Nephew and brother also do not fit, because they do not match the generational distance implied by having the mans daughter as mother-in-law. Common Pitfalls:Many candidates get stuck by not simplifying "sons sister" into just "daughter of the same man". Another common mistake is mixing up in-law relations and thinking that mother-in-law must come from the womans side instead of the husbands side. Always remember that mother-in-law is the mother of your spouse, and that automatically places your spouse one generation below her and two generations below her father. Final Answer:The womans husband is the grandson of the man in the photograph.

Question 7

Showing the man receiving a prize, Saroj said, "He is the brother of my uncles daughter." Who is the man to Saroj?

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Introduction / Context:This question tests the ability to translate a short spoken description into a clear family relation. The key phrase is "my uncles daughter", which itself describes a known relation, and then the brother of that person is taken as the target. This is a very standard pattern in blood relation questions. Given Data / Assumptions: Saroj is the speaker. Saroj points to a man receiving a prize. Saroj says, "He is the brother of my uncles daughter." "My uncle" means a brother of either Saroj father or mother. The daughter of Saroj uncle is in the same generation as Saroj. Concept / Approach:First, understand the relation "my uncles daughter". That is normally called a cousin. Once you know that, the phrase "brother of my uncles daughter" becomes "brother of my cousin". Under usual family structures, the brother of your cousin is also your cousin. This leads directly to the correct option. Step-by-Step Solution:Step 1: Identify "my uncle". This is a brother of Saroj father or mother.Step 2: "My uncles daughter" is the daughter of this uncle. For Saroj, she is a female cousin.Step 3: The man receiving the prize is described as the brother of that cousin.Step 4: The brother of your cousin is usually also your cousin, because he is another child of the same uncle or aunt.Step 5: Therefore, the man is a cousin of Saroj. Verification / Alternative check:Take an example. Let Saroj father be named Ram and his brother be named Shyam. Shyam is Saroj uncle. Shyam has two children: a daughter Pooja and a son Rohit. From Saroj point of view, Pooja is "my uncles daughter", a cousin. Rohit is Pooja brother, and also a child of the same uncle Shyam. So Rohit is also a cousin of Saroj. This matches the logical pattern of the question. Why Other Options Are Wrong:The man cannot be Saroj son, because that would place him one generation below Saroj, whereas a cousin is in the same generation. He is not a nephew because that would mean he is the child of Saroj sibling, which is not mentioned. Brother-in-law would require him to be married to Saroj sister or be the brother of Saroj spouse, but the sentence does not refer to marriage at all. Uncle would mean he belongs to an older generation, again not supported here. Common Pitfalls:In a hurry, some candidates label "my uncles daughter" as sister, which is incorrect. The children of your uncles and aunts are cousins, not siblings. Once that mistake is made, they may then misclassify the brother of that person as their brother, leading to the wrong answer. Always keep straight the difference between siblings and cousins. Final Answer:The man receiving the prize is Saroj cousin.

Question 8

Q is the brother of R. P is the sister of Q. T is the brother of S. S is the daughter of R. Based on this information, who are the children of R?

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Introduction / Context:Although the original wording was confusing, this repaired version of the question focuses on a simple task: identifying which people are the children of a given person R, based on a short set of family relations. This is a basic exercise in reading relational statements carefully and grouping people by generation. Given Data / Assumptions: Q is the brother of R, so Q and R are siblings and both are in the same generation. P is the sister of Q, so P is also a sibling in that same generation. T is the brother of S, so T and S are siblings and younger than their parent. S is the daughter of R, so S is a child of R. We assume T and S share both parents, so they are both children of R, unless stated otherwise. Concept / Approach:The strategy is to divide all the given people into two levels. The first level includes the siblings Q, R and P. The second level includes the children of R, who are S and T. Then, from the list of options, we select the pair that matches the children of R. Step-by-Step Solution:Step 1: From "Q is the brother of R", both Q and R are in the same generation and Q is male.Step 2: "P is the sister of Q" places P in the same generation as Q and R and shows that P is female.Step 3: "S is the daughter of R" places S one generation below R and shows that S is a female child of R.Step 4: "T is the brother of S" makes T a male sibling of S. Since S is a daughter of R, it is natural in such questions to treat T as another child of R.Step 5: Thus, S and T together form the set of children of R mentioned in the problem.Step 6: Looking at the answer choices, the pair that lists S and T together is option d. Verification / Alternative check:You can sketch the family quickly. Place Q, R and P side by side at the parent generation. From R, draw two downward lines to S and T. Mark S as daughter and T as son. Now it is visually obvious that S and T are in the child generation under R, whereas Q and P are siblings of R, not children. This drawing confirms that S and T are the required answer. Why Other Options Are Wrong:Options a and e mention R, but R is in the parent generation, not the child generation, so R cannot be his own child. Option b lists P and T, but P is clearly a sibling in the older generation, not a child of R. Option c lists Q and T; again Q is shown as the brother of R, not a child of R. Common Pitfalls:Candidates sometimes rush and misread the lines, treating all four letters P, Q, R and S as siblings or all as children. Carefully noting words like brother, sister, daughter and placing everyone into the correct generation helps avoid these errors. If you are ever unsure, a quick tree diagram usually makes the relationships much clearer. Final Answer:The children of R in this family are S and T.

Question 9

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not the mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How many children does P have?

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Introduction / Context:This family puzzle asks for the number of children of one member, P, using a mixture of marriage relations, parent child relations and sibling relations. It is similar to many reasoning questions where you have to untangle genders and family roles from a short text. Given Data / Assumptions: Members: P, Q, R, X, Y, Z. Q is the son of R, but R is not the mother of Q, so R is the father. P and R are a married couple, so P is the wife and R is the husband. Y is the brother of R, so Y is male in the same generation as R. X is the daughter of P, so X is a female child of P. Z is the brother of P, so Z is male in the same generation as P. We assume that Q, as the son of R, is also the child of P, since P and R are married. Concept / Approach:The key idea is to classify everyone by generation. P and R form the parent couple. Their siblings Y and Z are in the same generation. The children generation consists of the sons and daughters of P and R, which must include Q and X. Once we know this, the direct count of P children becomes easy. Step-by-Step Solution:Step 1: From "Q is the son of R but R is not the mother of Q", we know R is male and is the father of Q.Step 2: "P and R are a married couple" tells us that P is the spouse of R. Therefore P is the mother in this family pair.Step 3: If Q is the son of R and R is married to P, it is natural and standard in such questions to treat Q as a child of both P and R, unless told otherwise.Step 4: "X is the daughter of P" adds another child directly linked to P. Since P and R are married, X is also the daughter of R.Step 5: So far, P has two clearly stated children: Q (son) and X (daughter).Step 6: Y, the brother of R, and Z, the brother of P, are in the same generation as P and R and are not children of P. Therefore they do not change the count of P children.Step 7: Hence, P has exactly two children, Q and X. Verification / Alternative check:Draw a quick tree. Place P and R as a married couple in the middle. Draw X below them as daughter of P. Draw Q below them as son of R, and by marriage assumption also son of P. Place Y next to R as his brother and Z next to P as her brother. Now the only members below P in the tree are Q and X, confirming that P has two children. Why Other Options Are Wrong:A count of 1 child would mean either Q or X is not considered a child of P, which contradicts the direct statement and the married couple assumption. Counts of 3 or 4 would require treating Y or Z as children of P, but both are described as siblings, not children. A count of 0 is impossible because X is explicitly called the daughter of P. Common Pitfalls:One frequent mistake is to ignore the phrase "P and R are a married couple" and treat Q only as the child of R, not of P. Another is to get confused by the presence of brothers Y and Z and accidentally count them as children. Keeping a clear separation between generations and labelling each person on a simple diagram prevents these errors. Final Answer:P has 2 children in this family.

Question 10

A is the brother of B, C is the daughter of B, D is the husband of B and E is the daughter of A. What is the relationship between C and D?

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Introduction / Context:This problem focuses on a single relationship inside a small family where several relations are given. You are asked to determine how two particular people, C and D, are related to each other. This is a very typical format for blood relation questions in verbal reasoning exams. Given Data / Assumptions: A is the brother of B, so A and B are siblings and A is male. C is the daughter of B, so B is a parent and C is a female child of B. D is the husband of B, so D is male and married to B. E is the daughter of A, which is extra information not needed for the relation between C and D. We assume a straightforward nuclear family with B married to D and no hidden complications. Concept / Approach:Once we know that C is the daughter of B and D is the husband of B, we can infer that D is also the father of C, because both parents of a child are normally the married couple described. The question specifically asks for the pair relation "between C and D", so we phrase the answer as father and daughter. Step-by-Step Solution:Step 1: From "C is the daughter of B", we know C is a female child and B is a parent.Step 2: From "D is the husband of B", we know D is the male spouse of B.Step 3: In a typical family diagram, B and D form the parent couple, and C, as the daughter of B, is also the daughter of D unless something different is mentioned.Step 4: Therefore D is the father of C, and C is the daughter of D.Step 5: The required relation between C and D is father and daughter. Verification / Alternative check:You can visualise this with simple names. Let B be named Meera, D be her husband Raj and C be their daughter Nisha. The statements become: A is Meera brother, Nisha is the daughter of Meera and Raj is the husband of Meera. Clearly, Nisha is the daughter of Raj, and Raj is the father of Nisha. That exactly matches father and daughter. Why Other Options Are Wrong:Mother and son would require C to be a male child and D to be female, both of which are opposite to what is given. Mother and daughter would place D as mother, but D is described as a husband, hence male. Father and son would require C to be male, but the problem says C is a daughter. Brother and sister cannot be used because the age and generation gap between C and D is that of parent and child, not siblings. Common Pitfalls:Sometimes candidates get distracted by the extra information about A and E, even though that information is not needed to answer the question. In family puzzles, first determine which pieces of data are actually relevant to the relation being asked. Also, always pay attention to words like daughter and husband that fix both the generation and the gender of the persons involved. Final Answer:C and D have a father and daughter relationship, with D as the father and C as the daughter.

Question 11

On a beach, Renu is running with her children when she meets Vishal and Laxmi. Vishal introduces Ravi to the children saying, "This person is the daughter of your mothers fathers mother and is my sister." How are Vishal and Laxmi related to Renu?

Accepted Answer

Introduction / Context:This is a multi generation blood relation problem with a long phrase describing one ancestor: "your mothers fathers mother". The key is to carefully unfold this phrase one step at a time and then use it to identify how Vishal and Laxmi, who are linked to that ancestor through Ravi, are related to Renu. Given Data / Assumptions: Renu is on the beach with her children. They meet Vishal and Laxmi. Vishal introduces Ravi to the children saying, "This person is the daughter of your mothers fathers mother and is my sister." "Your mother" refers to Renu when Vishal speaks to Renu children. We are told that Ravi is a sister of Vishal, so Vishal and Ravi share the same parents. We assume that Laxmi is Vishal wife, which is the usual intent in such questions when a male and female are mentioned together. Concept / Approach:The main phrase to decode is "your mothers fathers mother". For Renu children, "your mother" is Renu. The father of Renu is their maternal grandfather. The mother of that grandfather is their great grandmother. The daughter of that great grandmother is a woman in the grandparent generation of Renu, most naturally a sister of Renu maternal grandfather, that is, a grandaunt of Renu. Step-by-Step Solution:Step 1: For Renu children, "your mother" is Renu.Step 2: "Your mothers father" is Renu father, who is the maternal grandfather of the children.Step 3: "Your mothers fathers mother" is the mother of that grandfather, that is Renu great grandmother.Step 4: "Daughter of your mothers fathers mother" is a daughter of Renu great grandmother. That daughter is a sister of Renu grandfather, which makes her a grandaunt of Renu and a great grandaunt of Renu children.Step 5: Vishal says that Ravi is that daughter and also his sister. Therefore both Ravi and Vishal are children of Renu great grandmother, making them granduncle and grandaunt figures for Renu.Step 6: So, from Renu own perspective, Vishal is her granduncle and Ravi is her grandaunt. Laxmi, as Vishal wife, would be granduncle wife and therefore treated as grandaunt as well.Step 7: Among the given options, the best approximate description in everyday terms is that Vishal and Laxmi are uncle and aunt to Renu. Verification / Alternative check:Think in terms of generations. Generation 1: Renu great grandmother. Generation 2: her children, including Renu grandfather and his sister Ravi. Vishal is Ravi brother, so he is also in Generation 2. Generation 3: Renu parents. Generation 4: Renu herself. In many languages, both granduncles and uncles can be casually addressed with the same label, and reasoning questions usually simplify generations for options, so "uncle and aunt" is the intended choice. Why Other Options Are Wrong:Brother and sister would place Vishal and Laxmi in the same generation as Renu, which is not consistent with the description of Ravi as a daughter of Renu great grandmother. Father and mother would place them one generation above Renu, but the structure shows they are one more step above, attached to great grandmother, not directly to Renu as parents. "Can't determine" is incorrect because the chain is precise enough to fix their generation and broad relation type. Common Pitfalls:The most common difficulty is miscounting the "mother" and "father" levels and thinking the described woman is Renu grandmother instead of grandaunt. Even if there is some confusion about the exact label granduncle or uncle, the exam options are usually written in everyday words such as uncle and aunt, so you should select the closest match by generation and role. Final Answer:Vishal and Laxmi are related to Renu as uncle and aunt in family terms.

Question 12

If "A $ B" means "A is brother of B", "A @ B" means "A is wife of B", "A # B" means "A is daughter of B" and "A & B" means "A is father of B", which of the following expressions indicates that K is father-in-law of H?

Accepted Answer

Introduction / Context:Symbol based blood relation questions replace words like brother, wife, daughter and father with special symbols. You must decode each expression step by step and then check which one satisfies a target relation. Here, the target is that K should be the father-in-law of H. Given Data / Assumptions: A $ B means A is brother of B. A @ B means A is wife of B. A # B means A is daughter of B. A & B means A is father of B. We need an expression in terms of H, J, L, P and K such that K becomes father-in-law of H. Father-in-law of H means K is the father of the spouse of H. Concept / Approach:The best approach is to take each option separately and translate the symbols into words from left to right. Once the full set of relations is known, we see whose father K is and who H is married to. When we find an option where K is the father of H spouse, we have the correct expression. Step-by-Step Solution (for the correct option c):Step 1: Consider option c: H @ J $ L # K & P.Step 2: Decode "H @ J": H is wife of J. So J is the husband of H.Step 3: Decode "J $ L": J is brother of L. So J and L are siblings and J is male.Step 4: Decode "L # K": L is daughter of K. So K is a parent of L, and L is female.Step 5: Decode "K & P": K is father of P, so K is definitely male and parent of P.Step 6: From steps 3 and 4, J is the brother of L and L is child of K. Under ordinary assumptions, if L is a child of K and J is her brother, then J is also a child of K. Therefore K is the father of J.Step 7: Because H is the wife of J and K is the father of J, K is the father-in-law of H. Verification / Alternative check for other options:In option a, after decoding, K turns out to be a sibling of J rather than the parent of J, so K becomes a brother-in-law, not father-in-law. In option b, K appears as a parent of L in a way that does not make L sibling of J in the correct generation for J to be H spouse child of K. In option d, the structure makes K parent of L, who is child of J, but H is wife of P, so K relates to the wrong branch. Option e also fails when fully decoded, because K is not the father of H spouse. Why Other Options Are Wrong:Each incorrect choice either makes K the brother of someone, the spouse of someone or the parent of the wrong person, rather than the father of the person married to H. Only in option c does K end up being the father of J, and J is clearly shown as the husband of H, which matches exactly the definition of father-in-law. Common Pitfalls:Candidates often try to mentally decode all symbols at once and become confused. A better approach is to read each symbol pair slowly and write small notes like "H wife of J", "J brother of L" and so on. Also, do not assume symmetry of the relations when they are not symmetric by definition. For example, "A @ B" only tells you that A is wife of B, and from that you must deduce B is husband of A, but the roles remain distinct. Final Answer:The expression that correctly shows K as father-in-law of H is H @ J $ L # K & P.

Question 13

A is the son of B. B sister has a son D and a daughter E. F is the maternal uncle of D. How many nephews does F have?

Accepted Answer

Introduction / Context:This question combines simple family relations with the specific role of a maternal uncle and then asks for a count of nephews. You need to be clear about who is whose parent and sibling and then see which boys are sons of the sisters of F, because that is what defines nephews in this context. Given Data / Assumptions: A is the son of B. B sister has a son D and a daughter E. So D and E are children of B sister. F is the maternal uncle of D, which means F is a brother of D mother. D mother is B sister. We assume that F is a different brother in the same generation as B, not the same person as B, since a new letter is introduced. We need to count how many nephews F has, that is, how many male children belong to F sisters. Concept / Approach:Maternal uncle means the brother of the mother. So for D, whose mother is B sister, F must be a brother of that same sister. That places F in the same sibling group as B and B sister. Nephews of F are the sons of his brothers and sisters. From the information given, these sons are A, the son of B, and D, the son of B sister. Step-by-Step Solution:Step 1: From "B sister has a son D and a daughter E", we know that D is a male child and E is a female child of B sister.Step 2: F is the maternal uncle of D. The mother of D is B sister, so F must be a brother of D mother. Therefore, F is a brother of B sister.Step 3: Since B and B sister are siblings, and F is also described as brother of that sister, B, F and that sister form a sibling group in the same generation.Step 4: A is the son of B, so A is a male child of one of F siblings.Step 5: D is a son of B sister, who is another sibling of F.Step 6: By definition, a nephew of F is the son of F brother or sister. A is the son of B (F sibling) and D is the son of B sister (another F sibling). So both A and D are nephews of F.Step 7: Therefore F has exactly two nephews in this family, A and D. Verification / Alternative check:Draw the family briefly. Place three siblings in one row: B, F and S (the sister). From B draw a downward arrow to A, labelled son. From S draw downward arrows to D (son) and E (daughter). Now, nephews of F are the male children of B and S. That is exactly A and D. E is a niece, not a nephew, and there is no other sibling of F mentioned whose children might add to the count. So the total is 2. Why Other Options Are Wrong:A count of 0 or 1 would ignore either A or D as nephews, which contradicts the definitions. A count of 3 or 4 would require additional male children of F siblings, but the question gives only two such sons: A and D. The information is complete enough to fix the number at 2. Common Pitfalls:Candidates sometimes misinterpret "F is the maternal uncle of D" to mean that F is D father, which is incorrect; a maternal uncle is the mother brother, not the father. Another common mistake is to assume F is the same person as B without reading carefully. The appearance of a new letter usually indicates a new individual, and using that fact simplifies the counting. Final Answer:F has 2 nephews in this family.

Question 14

Neena says, "Anita father Raman is the only son of my father-in-law Mahipal." How is Bindu, who is the sister of Anita, related to Mahipal?

Accepted Answer

Introduction / Context:This question tests your understanding of in-law relations and generational levels. The statement by Neena links Anita father, Raman, to Mahipal and then asks about the relation of Anita sister Bindu to Mahipal. You must identify that relation precisely and then match it with the options. Given Data / Assumptions: Neena says, "Anita father Raman is the only son of my father-in-law Mahipal." Mahipal is Neena father-in-law, so Mahipal is the father of Neena husband. Raman is the only son of Mahipal. Bindu is the sister of Anita, so Anita and Bindu have the same father, Raman. We assume Raman is Neena husband, because he is both the only son of Mahipal and the father-in-law mentioned by Neena. Concept / Approach:If Mahipal is Neena father-in-law, then Neena is married to Mahipal son. The statement says that Anita father Raman is the only son of Mahipal. Therefore, Raman must be the same person as Neena husband. That means Anita and Bindu are both daughters of Raman and therefore granddaughters of Mahipal. Step-by-Step Solution:Step 1: "My father-in-law Mahipal" means that Mahipal is the father of Neena husband.Step 2: Neena says, "Anita father Raman is the only son of my father-in-law Mahipal." So Raman is the only son of Mahipal.Step 3: Since Mahipal has only one son and Neena father-in-law is Mahipal, Neena husband must be that only son Raman.Step 4: Anita is the daughter of Raman, so Anita is the granddaughter of Mahipal.Step 5: Bindu is the sister of Anita, so Bindu is also a daughter of Raman and therefore also a granddaughter of Mahipal.Step 6: The relationship between Bindu and Mahipal is granddaughter and grandfather.Step 7: None of the given options lists granddaughter as a choice, so the correct option among those provided is "None of these". Verification / Alternative check:Assign simple names. Let Mahipal be the head of the family, his only son is Raman. Raman marries Neena. They have a daughter Anita and another daughter Bindu. For Neena, Mahipal is father-in-law. Anita and Bindu are granddaughters of Mahipal. When you check the options, you find daughter, wife and daughter-in-law, all of which are different direct relations, but none of them match granddaughter. Thus "None of these" is the only accurate option. Why Other Options Are Wrong:Bindu is not Mahipal daughter, because the statement clearly says that Raman is the son of Mahipal, and Bindu is one generation below Raman. Bindu is not Mahipal wife, as the gender and generation do not match. She is not daughter-in-law, because that relation would require her to be married to Mahipal son or grandson, whereas she is shown as the daughter of that son. Common Pitfalls:Many students quickly choose "daughter" or "daughter-in-law" by seeing the words father and only son and not carefully counting generations. Always check where each person lies in the family hierarchy: grandparents, parents, children. If an exam option set does not offer the exact relation you have identified, then "None of these" is likely intended. Final Answer:Bindu is the granddaughter of Mahipal, so the correct choice is None of these.

Question 15

If X is the brother of the son of Y, how is X related to Y?

Accepted Answer

Introduction / Context:This short blood relation question checks your understanding of a simple two step phrase: "brother of the son of Y". By correctly expanding this phrase, you can determine how X is related to Y. Questions like this appear frequently in reasoning sections because they are quick to test careful reading. Given Data / Assumptions: X is the brother of the son of Y. "Son of Y" is a male child of Y. We assume that the brother being mentioned, X, shares the same parents as that son, which is standard in such questions. We are asked to describe X relation to Y using one of the options provided. Concept / Approach:The phrase "son of Y" defines a person S who is a male child of Y. When X is said to be the brother of S, X is another male child of Y under normal assumptions. Hence, both S and X are sons of Y, and X relation to Y is simply that of a son. Step-by-Step Solution:Step 1: Let S be the son of Y. So S is a male child of Y.Step 2: X is described as the brother of S. That means X is also a male and shares at least one parent with S.Step 3: In typical reasoning questions, this sharing of parents is taken to mean that X is also a child of Y.Step 4: Therefore, X is another son of Y.Step 5: The relation of X to Y is thus son. Verification / Alternative check:Take an explicit example. Let Y be a person named Raghav. Suppose Raghav has two sons: Arjun and Karan. If we choose S to be Arjun, then "the son of Y" is Arjun. "The brother of the son of Y" is Karan. So in this example, X would be Karan, and Karan is clearly another son of Raghav. This matches the conclusion that X is Y son. Why Other Options Are Wrong:X cannot be Y brother because that would require X to be in the same generation as Y, not one generation below. X is not a cousin because cousins are children of siblings, not siblings of each other; here, X and S are siblings, not cousins. Grandson would put X two levels below Y, which contradicts the direct link implied by being the brother of a son. Father is opposite the direction indicated and not supported by the statement. Common Pitfalls:A common error is to think that "brother of the son of Y" always refers to a different generation, but in reality that phrase still points to someone in the child generation of Y. Always count generations: Y at the parent level, the son at one level below, and the brother of that son still at the same level. Final Answer:X is related to Y as a son.

Question 16

A is the son of B. B sister has a son D and a daughter E. F is the maternal uncle of D. How is A related to D?

Accepted Answer

Introduction / Context:This blood relation problem asks how A is related to D in a small family involving a parent, a sibling and their children. It is a standard example of how children of siblings are related to each other, which is a key idea in many reasoning questions. Given Data / Assumptions: A is the son of B, so B is a parent and A is a male child. B sister has a son D and a daughter E. So D and E are children of B sister. F is the maternal uncle of D, which confirms that F is a brother of D mother, but this extra fact is not essential to relate A and D. We assume that B and B sister share the same parents and are in the same generation. Concept / Approach:The children of two siblings are called cousins to each other. Here, B and B sister are siblings. A is the child of B. D is the child of B sister. Therefore, A and D are children of siblings and thus cousins. The problem also states that A is male, so he is a cousin brother, but among the options the generic term cousin is used. Step-by-Step Solution:Step 1: Identify the sibling pair: B and B sister are brother and sister in the same generation.Step 2: A is the son of B, so A is one generation below B.Step 3: D is the son of B sister, so D is also one generation below B and the sister.Step 4: Since A and D parents are siblings, A and D are cousins.Step 5: The required relation from A side to D is therefore cousin. Verification / Alternative check:Place B and B sister on one line as siblings. Draw a downward arrow from B to A and another from B sister to D. Both arrows go to the same lower generation. There is no direct parent child or sibling relation between A and D, but their parents being siblings means A and D are first cousins. This is the most direct and widely accepted definition. Why Other Options Are Wrong:A is not D uncle, because an uncle would be a brother of one of D parents, that is, be in the parent generation, not in the same child generation. A is not D nephew for the same reason, that would require A to be one generation lower than D. A is not D brother, because they do not share the same parents; their parents are siblings, not the same person. Son is completely incorrect because there is no parent child relation from D to A. Common Pitfalls:Some candidates rush and confuse "sister of B" with "mother of A" or similar, which leads to wrong generational links. Always separate clearly: B and B sister are siblings; their children are cousins. The mention of F as maternal uncle of D is an extra detail that can distract you if you focus on it too much. For the relation between A and D, it is enough to know who their parents are. Final Answer:A is related to D as a cousin.

Question 17

Pointing to a man on the stage, Rita said, "He is the brother of the daughter of the wife of my husband." How is the man on the stage related to Rita?

Accepted Answer

Introduction / Context: This verbal reasoning question is a classic blood-relation puzzle that tests your ability to decode nested family terms such as "wife of my husband" and "brother of the daughter". These kinds of questions are very common in competitive exams and are designed to see whether you can track relations carefully without getting confused by repeated references to "my", "his" or "her". Given Data / Assumptions: Rita is pointing to a man standing on the stage. She says: "He is the brother of the daughter of the wife of my husband." "My husband" refers to Rita's own husband. The question asks: How is the man related to Rita? We assume a standard, simple family structure with one spouse for each person and the usual meaning of husband, wife, daughter and brother. Concept / Approach: The trick is to decode the relationship phrase from inside out. We start with "my husband", then "the wife of my husband", then "the daughter of that wife" and finally "the brother of that daughter". Once we identify who each of these people actually is in relation to Rita, the final relationship becomes easy to state. Visualizing a mini family tree or rewriting the sentence with names can help avoid errors. Step-by-Step Solution: Step 1: "My husband" clearly refers to Rita's husband. Step 2: "The wife of my husband" must be Rita herself, because a man's wife is his spouse, and Rita is speaking about her own husband. Step 3: "The daughter of the wife of my husband" is therefore the daughter of Rita herself. In other words, this daughter is Rita's own daughter. Step 4: The man on the stage is described as "the brother of the daughter" identified in Step 3. So he is the brother of Rita's daughter. Step 5: The brother of one's daughter is simply one's son. Thus, the man on the stage is Rita's son. Verification / Alternative check: We can substitute names to double-check. Let Rita be R, her husband be H, and their children be a daughter D and a son S. The wife of H is R. The daughter of R is D. The brother of D is S. So when Rita points to a man and describes him as the brother of her own daughter, that man must be S, her son. This confirms our conclusion. Why Other Options Are Wrong: He cannot be Rita's husband because the wording clearly distinguishes between "my husband" and "the brother of the daughter". He cannot be a nephew, as no information suggests he is a sibling's child; he is directly linked to Rita's own child. He cannot be a brother-in-law; a brother-in-law would normally be the brother of one's spouse or the husband of one's sibling, which does not match the given chain. Common Pitfalls: Many students misread "wife of my husband" as someone other than the speaker, forgetting that in a standard monogamous setting, the wife of a person's husband is the person herself. Others lose track of whose daughter is being discussed. Always simplify such phrases by substituting "me" and "myself" where appropriate and working step by step. Final Answer: The man on the stage is Rita's son.

Question 18

Directions: There are six persons P, Q, R, S, T and U in a family. R is the sister of U. Q is the brother of T's husband. S is the father of P and the grandfather of U. There are exactly two fathers, three brothers and one mother in the group. Who i…

Accepted Answer

Introduction / Context: This is a multi-step family-relation puzzle involving six people and role counts such as "two fathers" and "three brothers". These problems are common in banking and SSC exams because they test whether you can integrate explicit relationships with numerical constraints on family roles, without contradicting any clue. Given Data / Assumptions: Members: P, Q, R, S, T and U. R is the sister of U. Q is the brother of T's husband. S is the father of P and the grandfather of U. There are exactly two fathers, three brothers and one mother in the group. We assume a single simple family with standard meanings of father, mother, brother, sister and husband. Concept / Approach: We first use the direct parent–child relationships to determine generations: grandparents, parents and children. Then we assign genders and marital links consistent with the clues. Finally, we check the counts: exactly two people must be fathers, exactly three must be in the role of brothers, and there must be exactly one mother. Any arrangement that violates these counts must be rejected, and the arrangement that works will reveal who the mother is. Step-by-Step Solution: Step 1: S is the father of P and the grandfather of U. So S is male and in the oldest generation. Since S is U's grandfather through P, P must be a parent of U. Step 2: R is the sister of U, so R and U are siblings and children of P. Since R is specifically called a sister, R is female. Step 3: Because S is already one father, and there must be exactly two fathers, P must be the second father. So P is male and is the father of R and U. Step 4: Q is the brother of T's husband. If T is married, her husband can naturally be P. Then Q is P's brother. That makes Q male and a brother to P. Step 5: With Q as P's brother and P as Q's brother, we now have two males who are brothers. If U is taken as male (brother of R), then Q, P and U together form the three "brothers" required by the problem. Step 6: There must be exactly one mother. R is a sister in the children's generation, and T is the only remaining candidate to be the mother. As the wife of P, T becomes the mother of R and U. Step 7: Check role counts: fathers = S and P (two fathers); brothers = P, Q and U (three brothers); mother = T (one mother). All constraints are satisfied, so this configuration is consistent. Verification / Alternative check: Try to make any other person the mother. If R were the mother, she could not also be described as U's sister. If Q were the mother, it would contradict the fact that Q is a brother. Making S the mother contradicts "S is the father of P". Therefore, the only consistent choice is T as the mother, with T married to P. Why Other Options Are Wrong: S is explicitly stated to be a father, not a mother. Q is clearly male and a brother of T's husband, so Q cannot be the lone mother. R is in the children's generation as the sister of U, not the parent of U. Common Pitfalls: Candidates often ignore the numerical constraints and stop as soon as they find any arrangement that fits some of the relations. However, all conditions must be satisfied simultaneously: two fathers, three brothers and exactly one mother. Always verify the counts after building a tentative family tree, and adjust assumptions about gender (like U's gender) only in ways that respect every clue. Final Answer: The mother in the group is T.

Question 19

There are six children playing football, namely A, B, C, D, E and F. A and E are brothers and F is the sister of E. C is the only son of A's uncle. B and D are the daughters of the brother of C's father. How is D related to A?

Accepted Answer

Introduction / Context: This puzzle-style question combines several family relationships and is framed around six children playing football. It tests whether you can correctly interpret terms like "uncle", "only son" and "brother of C's father", and then decide how one child (D) is related to another (A). Such questions check your ability to build a consistent mental family tree from multiple descriptive clues. Given Data / Assumptions: Children: A, B, C, D, E and F. A and E are brothers, so both are male siblings. F is the sister of E, so F is a female sibling of E (and thus also of A). C is the only son of A's uncle. B and D are daughters of the brother of C's father. All "uncles" are understood as brothers of A's parent, and all adults mentioned (like uncles and fathers) are outside the group of six children. Concept / Approach: We proceed by naming the adults symbolically. First we identify A's uncle and his child C. Then we identify "the brother of C's father" and his daughters B and D. When that brother is interpreted as another brother of A's parent (and not as A's own father), B and D become A's cousins. Finally, we choose the correct relation of D to A based on this family structure. Step-by-Step Solution: Step 1: Let A's parent (say the father) be P. A's uncle is then P's brother, call him U. By the statement, C is the only son of U, so C is A's cousin. Step 2: C's father is U. The "brother of C's father" is therefore a brother of U. Let this brother be X. So X and U are brothers. Step 3: The problem says B and D are the daughters of X. That is, X is the father of B and D, and they are siblings and daughters of X. Step 4: Since U is A's uncle (brother of P), it is natural and standard in such puzzles to interpret X as another brother in the same generation as P and U. This makes X another uncle of A, rather than A's father himself. Step 5: If X is A's uncle, then B and D are children of A's uncle, which makes them A's cousins. Step 6: The question asks how D is related to A. From the reasoning above, D is one of A's cousins, specifically a female cousin. Verification / Alternative check: To verify, imagine A's grandparents have three sons: P (A's parent), U (C's father) and X (B and D's father). Then C is a child of U, and B and D are children of X. All of them are grandchildren of the same grandparents, and so they are all cousins to one another and to A. This family tree matches all the clues and confirms that D is A's cousin. Why Other Options Are Wrong: D cannot be A's sister, because D's father is an uncle of A, not A's parent. D cannot be A's niece, because there is no indication that A is in an older generation than D; they are both described as children playing football. D certainly cannot be A's uncle, as D is described as a daughter (female) and clearly in the same generation as the other children. Common Pitfalls: A common mistake is to assume that "the brother of C's father" must be A's father, which would incorrectly make D A's sister. However, the text never states that A has no other uncles. In exam-style family puzzles, such expressions usually refer to another uncle unless explicitly restricted. Always verify whether there is enough information to force a relative to be a parent, or whether they can simply be another sibling of that parent. Final Answer: D is related to A as a cousin.

Question 20

In a family of six persons A, B, C, D, E and F, there are two married couples. D is the grandmother of A and the mother of B. C is the wife of B and the mother of F. F is the granddaughter of E. Who among the following is one of the married couples?

Accepted Answer

Introduction / Context: This family-relation question combines information about grandparents, parents, spouses and grandchildren to identify which pair forms a married couple. Such items test whether you can keep track of generations, genders and roles, and then see which pairing fits both the explicit and implicit clues (like "two married couples"). Given Data / Assumptions: Members: A, B, C, D, E and F. There are exactly two married couples in the family. D is the grandmother of A and the mother of B. C is the wife of B and the mother of F. F is the granddaughter of E. All relations are within this group of six, and there are no extra hidden members. Concept / Approach: First we place people into generations using the grandparent and parent clues. Then we identify the obvious couple: the husband of C (since she is explicitly a wife). We then look at the remaining members and use the information about grandchildren to find the second married couple. Finally, we compare the candidate couples with the options given to select the correct pair. Step-by-Step Solution: Step 1: D is the grandmother of A and the mother of B. So D is female and one generation above B. B is a parent of A. Step 2: C is the wife of B and the mother of F. Therefore, C is female, B is her husband (male), and together they are one of the married couples. They have at least one child F, and B also has a child A (with C or otherwise). Step 3: F is the granddaughter of E. This means E is one generation above F and is a grandparent. Since F is already known as the child of C and B, E must be a parent of either B or C. Step 4: D is the mother of B and hence one grandparent of F. E, being another grandparent of the same F, must be D's spouse and the other parent of B (or of C, but the simplest and consistent interpretation is that D and E are grandparents through B). Step 5: Because there are exactly two married couples and we already have B–C as one couple, the second couple must be D–E. This satisfies the requirement of two couples within six people. Verification / Alternative check: Construct the family tree: D (grandmother) and E (grandfather) form an older married couple. Their child is B. B marries C, forming the second married couple. B and C have children A and F. In this arrangement, D is grandmother of A, D is mother of B, C is the wife of B and mother of F, and F is indeed the granddaughter of both D and E. All clues are satisfied, and there are exactly two married couples: D–E and B–C. Why Other Options Are Wrong: C and D cannot be a couple because C is stated to be the wife of B, and D is B's mother, which would make C the wife of her own son—impossible in a normal family. E and B cannot be a couple because B is already married to C. Also, if E were B's spouse, E could not simultaneously be the grandparent of F in the required way. "None of these" is incorrect because we have found a valid couple (D and E) directly supported by the clues. Common Pitfalls: Candidates often stop at the obviously stated couple B–C and then randomly pick another pair without verifying grandparent relationships. Remember that when a grandchild is mentioned, both maternal and paternal grandparents must be members of the family, and this often pinpoints another married couple. Always check that the number of married couples exactly matches the stated count. Final Answer: One of the married couples is D and E.

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