6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

On dividing $221 a^{2} b^{2} by 13 b^{2}$ , we get _____.

A) 17a2	B) 17b2
C) 13a2b2	D) 13

Answer & Explanation Answer: A) 17a2

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Q:

What is the value of equation $a^{3} + b^{3} + c^{3} - 3 abc if a^{2} + b^{2} + c^{2} = ab + bc + ca + 4 and a + b + c = 4$ .

A) 0	B) 1
C) 16	D) 256

Answer & Explanation Answer: C) 16

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Q:

$4 + \frac{1}{6} x [\{- 12 x (24 - 13 - 3)\} \div (20 - 4)] = ?$

A) 4	B) 6
C) 5	D) 3

Answer & Explanation Answer: D) 3

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Q:

If ${(secA - tanA)}^{2} = x$ , then the value of x is

A) (1 + sinA)/(1 - sinA)	B) √[(1 - sinA)/(1 + sinA)]
C) (1 - sinA)/(1 + sinA)	D) √[(1 + sinA)/(1 - sinA)]

Answer & Explanation Answer: C) (1 - sinA)/(1 + sinA)

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

What number, from the following should be deducted from 1184 to make it exactly divisible by 21?

A) 15	B) 12
C) 8	D) 7

Answer & Explanation Answer: C) 8

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Filed Under: Problems on Numbers
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Q:

How many natural numbers between 15 and 85 are divisible by 7?

A) 9	B) 10
C) 8	D) 7

Answer & Explanation Answer: B) 10

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Q:

Slit 69 into three parts such that they are in A.P. and the product of their smaller parts is 483.

A) 19,23,27	B) 17,23,29
C) 15,23,31	D) 21,23,25

Answer & Explanation Answer: D) 21,23,25

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Q:

How much does one need to add to 2/3 to obtain 3/2?

A) 5/6	B) 1.5/6
C) 1/-1	D) 4/9

Quantitative Aptitude - Arithmetic Ability Questions

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