Question 1

Kinship inference from statement: Identify the woman’s relation to the man.  Statement: Pointing to a man, a woman said, “His mother is the only daughter of my mother.” Assume standard family relations (no step-siblings). How is the woman related to…

Accepted Answer

Reasoning“The only daughter of my mother” = the speaker herself (since her mother has only one daughter).So, “His mother is me” ⇒ the man is the speaker’s son. Final AnswerMother

Question 2

Symbolic relations (5 = father, 9 = sister, 4 = brother, 3 = wife): Encode “F is the mother of K”.  Mappings: B5D ⇒ B is father of D; B9D ⇒ B is sister of D; B4D ⇒ B is brother of D; B3D ⇒ B is wife of D. Which option correctly implies that F is K’s…

Accepted Answer

Decode options F3M5K: F3M ⇒ F is wife of M; M5K ⇒ M is father of K. Wife of K’s father ⇒ F is K’s mother. F5M3K: F is father of M (F male), then M wife of K — does not yield F mother of K. F9M4N3K: F sister of M; M brother of N; N wife of K — no mother relation to K. F3M5N3K: F wife of M; M father of N; N wife of K — F is mother of N, not necessarily of K.

Question 3

Photograph relation: Determine Suresh’s relation to the boy in the picture.  Suresh says, “He is the son of the only son of my mother.” Assume Suresh is male and the family has a single male child to Suresh’s mother. How is Suresh related to that bo…

Accepted Answer

Reasoning“The only son of my mother” = Suresh himself (he is that only son).So, “He is the son of Suresh” ⇒ Suresh is the boy’s father.

Question 4

Encoded relations (+ = brother, % = father, × = sister): Choose the expression where M is the uncle of P.  Meanings: A + B ⇒ A is brother of B; A % B ⇒ A is father of B; A × B ⇒ A is sister of B. Select the option that makes M the (paternal) uncle o…

Accepted Answer

Decode options M % N × P: M father of N; N sister of P ⇒ M becomes father (not uncle) of P — incorrect. N × P % M: N sister of P; P father of M ⇒ P is parent of M — no uncle relation — incorrect. M + S % R % P: M brother of S; S father of R; R father of P ⇒ M is brother of P’s grandfather (grand-uncle) — incorrect. M + K % T × P: M brother of K; K father of T; T sister of P ⇒ K is also P’s father (siblings T and P share K); therefore M is K’s brother ⇒ M is P’s uncle.

Question 5

Encoded relations (+ = brother, × = son, % = “B is daughter of A”): Make M the maternal uncle of N. Meanings: A + B ⇒ A is brother of B; A × B ⇒ A is son of B; A % B ⇒ B is the daughter of A (i.e., A is parent of B and B is female). Which …

Accepted Answer

Decode M + O % N: M is brother of O; O % N means N is the daughter of O. If O is the mother of N (female parent), then M is the mother’s brother ⇒ maternal uncle. M + O × N: O is son of N — does not relate M to N’s mother. M % O × N + P: Contradictory genders (O is daughter of M, then O is son of N). “None of these”: unnecessary; the expression in (C) suffices under the standard assumption that O is N’s mother. NoteSince A % B states only that “B is the daughter of A”, the parent A could be the mother or father. Here we assume O is the mother of N (a common convention in such questions) to satisfy “maternal” uncle.

Question 6

Blood relations with symbolic operators: Identify the expression that makes Q the grandmother of T.  Operator meanings: A + B ⇒ B is the brother of A A x B ⇒ B is the husband of A A - B ⇒ A is the mother of B A % B ⇒ A is the father of B  Choose the…

Accepted Answer

Interpret each operator carefully A + B ⇒ B is brother of A (second person male, sibling). A x B ⇒ B is husband of A (second person male, spouse). A - B ⇒ A is mother of B (first person female, parent). A % B ⇒ A is father of B (first person male, parent). Check option (a): Q - P + R % T Q - P ⇒ Q is mother of P. P + R ⇒ R is brother of P (so Q is also R's mother). R % T ⇒ R is father of T ⇒ T is grandchild of Q. Thus Q is grandmother of T. Why others fail (b) and (d) make Q the grandfather, not grandmother; (c) never links T as a descendant of Q.

Question 7

Blood relations with symbolic operators: Find the expression meaning “T is the daughter of P.”  Operator meanings: A + B ⇒ A is the sister of B A x B ⇒ A is the wife of B A % B ⇒ A is the father of B A - B ⇒ A is the brother of B  Choose the correct…

Accepted Answer

Decode option (b) step by step P x Q ⇒ P is wife of Q. Q % R ⇒ Q is father of R (so P & Q are parents of R). R - T ⇒ R is brother of T ⇒ T is sibling of R (child of P & Q). T + S ⇒ T is sister of S ⇒ T is female. Conclusion T is a daughter of P. Other options fail to enforce both parentage and female gender consistently.

Question 8

Family tree reasoning: Determine how Kalyani is related to Ashok given the in-laws and siblings.  Facts: Veena is Ashok's sister-in-law and Kalyani's daughter-in-law. Dheeraj is father of Sudeep; Sudeep is Ashok's only brother.  Find the relation of…

Accepted Answer

Reasoning If Veena is sister-in-law of Ashok and daughter-in-law of Kalyani, Veena must be married to Ashok's brother Sudeep (not to Ashok). Therefore Kalyani is mother of Sudeep—and hence also mother of Ashok. Conclusion The correct relation is "Mother", which is not listed among the options, so the answer is None of these.

Question 9

Siblings and parentage: Determine D’s relation to A from the given statements.  Given: A is brother of B. B is sister of C. C is father of D.  How is D related to A? Choose the correct option.

Accepted Answer

Analysis A, B, C are siblings (A brother of B; B sister of C). C is father of D ⇒ D is child of C and hence A's nephew or niece. Why not a specific choice D's gender is not specified; therefore we cannot decide between nephew (male) and niece (female). Hence Cannot be determined.

Question 10

Pointing statement puzzle: Work out Nalni’s relation to Gopi from a generational description.  Statement: “I am the daughter of the only son of his (Gopi’s) grandfather.”  Identify how Nalni is related to Gopi. Choose the correct option.

Accepted Answer

Reasoning The only son of Gopi’s grandfather is Gopi’s father. Nalni is the daughter of Gopi’s father ⇒ Nalni is Gopi’s sister.

Question 11

Photograph pointing puzzle: Deduce X’s relation to the person in the photo.  Statement by X: “She is the only daughter of the father of my mother.”  How is X related to the person in the photograph? Choose the correct option.

Accepted Answer

Reasoning “The only daughter of the father of my mother” ⇒ X’s maternal grandfather’s only daughter ⇒ X’s mother. Conclusion The person is X’s mother. X could be a son or a daughter; gender of X is not given. Hence Cannot be decided.

Question 12

Blood relations with symbolic operators: Identify the expression that makes N the grandmother of P.  Operator meanings: A $ B ⇒ B is the father of A A # B ⇒ B is the mother of A A * B ⇒ B is the sister of A A @ B ⇒ B is the husband of A  Choose the …

Accepted Answer

Test each option quickly (a) leads to N being father of M ⇒ N is grandfather, not grandmother. (b) yields N as grandmother of Q (who is P's husband), i.e., grandmother-in-law—not P's grandmother. (c) gives M as sister of N, making M a grandaunt of P. Conclusion None of the given chains make N the grandmother of P. Therefore, None of these.

Question 13

Blood relations with symbolic operators: Choose the chain that implies “C is the son of M.”  Operator meanings: A + B ⇒ A is the brother of B A - B ⇒ A is the sister of B A x B ⇒ A is the father of B  Select the expression that ensures C is M's male…

Accepted Answer

Decode the correct chain (d) M x N ⇒ M is father of N. N - C ⇒ N is sister of C ⇒ N and C are siblings, so they share parent M. C + F ⇒ C is brother of F ⇒ C is male. Conclusion C is the son of M. Other options fail to establish both parentage to M and male gender for C.

Question 14

Pointing statement puzzle: Determine how Varman is related to Madhav.  Madhav says: “I am the only son of one of the sons of his (Varman’s) father.”  How is Varman related to Madhav? Choose the correct option.

Accepted Answer

Reasoning “One of the sons of Varman’s father” could be Varman himself or Varman’s brother. Hence Madhav could be Varman’s son (if that son is Varman) or Varman’s nephew (if that son is Varman’s brother). Conclusion Varman is either Father or Uncle of Madhav.

Question 15

Symbolic family chain: Decide how C is related to A from the four given links.  Definitions: A $ B ⇒ A is the brother of B B * C ⇒ B is the son of C C @ D ⇒ C is the wife of D A # D ⇒ A is the son of D  Using all the links together, determine C’s re…

Accepted Answer

Link the relations B * C ⇒ B is son of C (so C is mother of B). C @ D ⇒ C is wife of D (C is female; D is husband). A # D ⇒ A is son of D ⇒ A is also child of C (since C is D’s wife). Conclusion Therefore, C is A’s Mother.

Question 16

Family relations (marriages and siblings): Determine D's relationship to A.  A's son B is married to C. C's sister D is married to E, who is B's brother (therefore also A's son). Identify D's relation to A. Choose the correct relation.

Accepted Answer

Given data A's son B marries C. C's sister is D. D marries E, who is B's brother ⇒ E is also A's son. Concept/ApproachIf D is married to A's son (E), then D is A's daughter-in-law. ReasoningE = A's son.D is wife of E ⇒ D is A's daughter-in-law. Final AnswerDaughter-in-law

Question 17

Kinship logic from a pointing statement: Find the person's relation to Deepak.  Deepak says about a person: “His only brother is the father of my daughter's father.” Interpret “my daughter's father” as Deepak himself. Determine the person's relation…

Accepted Answer

Translate the statement “My daughter's father” = Deepak. “The father of my daughter's father” = Deepak's father. “His only brother is the father of my daughter's father.” ⇒ The person's only brother = Deepak's father. ReasoningIf the person's brother is Deepak's father, then the person is a sibling of Deepak's father.A male sibling of one's father is one's uncle. Final AnswerUncle

Question 18

Encoded family relations (+ = brother, × = wife, % = daughter): Choose the expression that makes D the uncle of A.  Meanings: P + Q ⇒ P is brother of Q; P × Q ⇒ P is wife of Q; P % Q ⇒ P is daughter of Q. Identify the option that ensures D is A's un…

Accepted Answer

Decode option (A % B × C + D) A % B ⇒ A is daughter of B (so B is A's parent). B × C ⇒ B is wife of C ⇒ C is A's father. C + D ⇒ C is brother of D ⇒ D is C's sibling. ConclusionD is sibling of A's father; interpreting D as male yields A's uncle. Why others fail(B) makes B brother of C, then C daughter of D — does not yield D as uncle of A.(C) makes D spouse of B (A's parent's spouse), not a parental sibling.

Question 19

Encoded relations ($ = father, # = mother, * = sister): Find Q's relation to N from “N # L $ P * Q”.  Interpret the chain: N # L; L $ P; P * Q. Determine the relationship of Q to N (gender of Q not directly given). Choose the correct conclusion.

Accepted Answer

Decode the chain N # L ⇒ N is mother of L. L $ P ⇒ L is father of P. P * Q ⇒ P is sister of Q ⇒ P and Q are siblings. ReasoningN is grandparent of P; since P and Q are siblings, N is also grandparent of Q.But Q's gender is not specified ⇒ cannot choose between grandson and granddaughter. Final AnswerData is inadequate

Question 20

Family tree from statements: Identify the true relation involving A, C, Q, Z, and P.  Facts: A is the son of C; C and Q are sisters; Z is the mother of Q; P is the son of Z. From these, choose the statement that is definitely true. Select the correc…

Accepted Answer

Build the tree C and Q are sisters; Z is mother of Q ⇒ Z is also mother of C. P is son of Z ⇒ P is brother of C and Q. A is son of C ⇒ C is A's mother. Evaluate optionsP is C's brother and A's mother is C ⇒ P is A's maternal uncle (true).Others conflict with genders or relations (e.g., Q cannot be grandfather since Q is female).

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