6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of $S = \frac{1}{1 x 3 x 5} + \frac{1}{1 x 4} + \frac{1}{3 x 5 x 7} + \frac{1}{4 x 7} + \frac{1}{5 x 7 x 9} + \frac{1}{7 x 10} + . . .$ upto 20 terms. Then what is the value of S?

A) 6179/15275	B) 6070/14973
C) 7191/15174	D) 5183/16423

Answer & Explanation Answer: B) 6070/14973

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Q:

The third proportional of the following numbers ${(x - y)}^{2}, (x$ ² - y²)2 is

A) (x+y)3 (x-y)2	B) (x+y)4 (x-y)2
C) (x+y)2 (x-y)2	D) (x+y)2 (x-y)3

Answer & Explanation Answer: B) (x+y)4 (x-y)2

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Filed Under: Ratios and Proportions
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Q:

If $x + \frac{1}{x} = - 2$ , then the value of $x^{631} + \frac{1}{x^{632}}$ ?

A) -2	B) -1
C) 0	D) 2

Answer & Explanation Answer: C) 0

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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:

The average of 8 consecutive integers is 23/2. What is the average of first three integers?

A) 9	B) 19/2
C) 8	D) 10

Answer & Explanation Answer: A) 9

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Q:

If X + Y + Z = 9 then the value of ${(X - 4)}^{3} + {(Y - 2)}^{3} + {(Z - 3)}^{3} - 3 (X - 4) (Y - Z) (Z - 3)$ is

A) 6	B) 9
C) 0	D) 1

Answer & Explanation Answer: C) 0

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Q:

In the following question, select the odd word pair from the given alternatives.

A) Mother – Sister	B) Father – Son
C) Son – Daughter	D) Friend – Sister

Answer & Explanation Answer: D) Friend – Sister

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Filed Under: Odd Man Out
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Q:

What is the quotient when 7251 is divided by 66?

A) 110	B) 109
C) 111	D) 112

Quantitative Aptitude - Arithmetic Ability Questions

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