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Directions: Study the table given below carefully and answer the questions that follow :
Number of Athletes (In Hundred) Who Participated In a Sports Event From 5 Different Countries Over The Years
M → Male & F → Female
| Countries → <br> Years ↓ | A (M) | A (F) | B (M) | B (F) | C (M) | C (F) | D (M) | D (F) | E (M) | E (F) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| **2005** | 4.4 | 3.3 | 6.3 | 4.2 | 4.5 | 3.1 | 5.6 | 4.1 | 4.7 | 2.1 |
| **2006** | 6.6 | 4.2 | 8.4 | 6.2 | 6.9 | 3.3 | 8.4 | 6.3 | 7.8 | 5.2 |
| **2007** | 4.6 | 1.8 | 7.4 | 4.8 | 4.8 | 2.8 | 9.3 | 7.3 | 8.7 | 6.5 |
| **2008** | 9.6 | 4.9 | 11.4 | 8.4 | 6.6 | 4.2 | 12.6 | 9.4 | 8.9 | 5.8 |
| **2009** | 11.8 | 6.4 | 10.6 | 5.2 | 7.9 | 6.3 | 14.4 | 10.2 | 11.8 | 9.2 |
| **2010** | 8.2 | 5.2 | 6.4 | 7.2 | 10.8 | 6.9 | 15.6 | 12.1 | 13.6 | 9.8 |
What was the average number of female athletes who participated from Country B over all the years together?
Aptitude Average Difficulty: Medium
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Directions : Study the given table carefully and answer the questions that follow :
Number of candidates appeared and qualified for a test (in hundreds) in 6 different years from 5 different zones.
(Bank P.O., 2011)
| Year | P App. | P Qual. | Q App. | Q Qual. | R App. | R Qual. | S App. | S Qual. | T App. | T Qual. |
|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 3.2 | 2.5 | 3.5 | 1.4 | 3.8 | 2.2 | 4.2 | 2.4 | 6.2 | 2.6 |
| 2006 | 4.6 | 3.4 | 6.9 | 4.2 | 6.9 | 4.4 | 7.4 | 3.3 | 6.2 | 4.8 |
| 2007 | 6.5 | 4.9 | 7.7 | 4.5 | 5.9 | 4.8 | 8.3 | 5.6 | 6.4 | 4.2 |
| 2008 | 7.4 | 5.7 | 5.4 | 3.4 | 7.2 | 3.2 | 9.3 | 6.4 | 7.8 | 6.2 |
| 2009 | 8.8 | 4.8 | 6.6 | 5.2 | 8.6 | 6.8 | 11.4 | 5.2 | 9.9 | 6.9 |
| 2010 | 9.2 | 5.6 | 10.6 | 6.4 | 10.3 | 7.4 | 14.2 | 11.4 | 11.8 | 9.4 |
Note: Here App. means Appeared and Qual. means Qualified.
What was the average number of candidates appeared from zone T over all the years together ?
Aptitude Average Difficulty: Medium
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The height of a right circular cylinder is $6 \text{ m}$. If three times the sum of the areas of its two circular faces is twice the area of the curved surface, then the radius of its base is
Aptitude Volume and Surface Area Difficulty: Medium
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Except for one face of a given cube, identical cubes are glued through their faces to all the other faces of the given cube. If each side of the given cube measures 3 cm, then what is the total surface area of the solid body thus formed?
Aptitude Volume and Surface Area Difficulty: Hard
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From a cube of side 8m, a square hole of 3m side is hollowed from end to end. What is the volume of the remaining solid?
Aptitude Volume and Surface Area Difficulty: Medium
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If a region bounded by a circle C is to be divided into three regions of equal areas by drawing two circles concentric with C, then the ratio of the radii of the two circles must be
Aptitude Area Difficulty: Hard
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A small disc of radius $r$ is cut out from a disc of radius $R$. The weight of the disc which now has a hole in it, is reduced to $\frac{24}{25}$ of the original weight.
If $R = xr$, what is the value of $x$?
Aptitude Area Difficulty: Medium
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The present worth of ₹ 169 due in 2 years at 4% per annum compound interest is
Aptitude Compound Interest Difficulty: Easy
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A train 132 m long passes a telegraph pole in 6 seconds. Find the speed of the train.
Aptitude Problems on Trains Difficulty: Easy
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Directions: Each of the questions below consists of a statement and/or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements is/are sufficient to answer the question. Read both the statements and
Give answer (a) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question;
Give answer (b) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question;
Give answer (c) if the data either in Statement I or in Statement II alone are sufficient to answer the question;
Give answer (d) if the data even in both Statements I and II together are not sufficient to answer the question; and
Give answer (e) if the data in both Statements I and II together are necessary to answer the question.
Two towns are connected by railway. Can you find the distance between them?
I. The speed of mail train is 12 km/hr more than that of an express train.
II. A mail train takes 40 minutes less than an express train to cover the distance.
Verbal Reasoning Data Sufficiency Difficulty: Medium
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The speed of a railway engine is 42 km/hr when no compartment is attached and the reduction in speed is directly proportional to the square root of the number of compartments attached. If the speed of the train carried by this engine is 24 km/hr with 9 compartments attached, the maximum number of compartments that the engine can pull is
Aptitude Time and Distance Difficulty: Medium
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An athlete claimed that his timing for a $100$ m dash should be corrected because the starting signal was given by a gun fired from a point $10$ m away from him and the timekeeper was standing close to the gun. The error due to this could be (in seconds)
[Given: speed of sound = $300$ m/s]
Aptitude Time and Distance Difficulty: Medium
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A train leaves Delhi at 4.10 P.M. and reaches Aligarh at 7.25 P.M. The average speed of the train is 40 km/hr. What is the distance from Delhi to Aligarh?
Aptitude Problems on Trains Difficulty: Easy
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A and B can do a piece of work in 28 and 35 days respectively. They began to work together but A leaves after some time and B completed the remaining work in 17 days. After how many days did A leave?
Aptitude Time and Work Difficulty: Medium
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A man sells two horses for ₹ 1475. The cost price of the first is equal to the selling price of the second. If the first is sold at 20% loss and the second at 25% gain, what is his total gain or loss (in rupees)?
Aptitude Profit and Loss Difficulty: Medium
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By selling an article at $\frac{2}{3}$ of the marked price, there is a loss of $10\%$. The profit percent, when the article is sold at the marked price, is (C.P.O., 2006)
Aptitude Profit and Loss Difficulty: Medium
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A fair price shopkeeper takes $10\%$ profit on his goods. He lost $20\%$ goods during theft. His loss percent is
Aptitude Profit and Loss Difficulty: Medium
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If $abc = 1$, then $$ \left(\frac{1}{1 + a + b^{-1}} + \frac{1}{1 + b + c^{-1}} + \frac{1}{1 + c + a^{-1}}\right) = x $$
Aptitude Surds and Indices Difficulty: Hard
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The value of the expression $\sqrt{4 + \sqrt{15}} + \sqrt{4 - \sqrt{15}} - \sqrt{12 - 4\sqrt{5}}$ is
Aptitude Surds and Indices Difficulty: Medium
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The ages of A and B are in the ratio $6 : 5$ and the sum of their ages is 44 years.
What will be the ratio of their ages after 8 years?
Aptitude Problems on Ages Difficulty: Easy
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A certain number of two digits is three times the sum of its digits and if 45 be added to it, the digits are reversed. The number is
Aptitude Problems on Numbers Difficulty: Easy
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Solve $\sqrt{(27 \div 5 \times x)} + 15 = 5.4 \div 6 + 0.3$
Aptitude Square Root and Cube Root Difficulty: Medium
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$726.34 + 888.12 - $ $x$ $= 1001.88$
Aptitude Decimal Fraction Difficulty: Medium
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$(3^{25} + 3^{26} + 3^{27} + 3^{28})$ is divisible by
Aptitude Number System Difficulty: Medium
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In a division sum, the divisor is $12$ times the quotient and $5$ times the remainder. If the remainder is $48$, then the dividend is
Aptitude Number System Difficulty: Medium
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