6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m, when will they next ring together?

A) 11:29 a.m.	B) 11:27 a.m.
C) 11:51 a.m.	D) 12:29 p.m.

Answer & Explanation Answer: B) 11:27 a.m.

Explanation:

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Q:

If x, y, z are the three factors of $a^{3} - 7 a - 6$ , then value of x+y+z will be

A) 3a	B) 3
C) 6	D) a

Answer & Explanation Answer: A) 3a

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Q:

If the ratio of the angle bisector segments of the two equiangular triangles are in the ratio of 3:2 then what is the ratio of the corresponding sides of the two triangles?

A) 2:3	B) 3:2
C) 6:4	D) 4:6

Answer & Explanation Answer: B) 3:2

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

A certain amount of money is divided between A and B in the ratio of 5:6. If B gets Rs. 360, the amount is

A) 660	B) 560
C) 680	D) 580

Answer & Explanation Answer: A) 660

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Exam Prep: Bank Exams

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Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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Exam Prep: AIEEE , Bank Exams , CAT

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Q:

Which of the following conditions is TRUE for the two line segments AB and CD to be congruent?

A) AB=CD	B) AB>CD
C) AB<CD	D) None of these

Answer & Explanation Answer: A) AB=CD

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Q:

The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

A) -7	B) 4
C) 7	D) -4

Answer & Explanation Answer: C) 7

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Q:

A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is

A) Rs. 32.50	B) Rs. 42.50
C) Rs. 34.00	D) Rs. 40.00

Quantitative Aptitude - Arithmetic Ability Questions

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