6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of $\frac{1}{\sin^{4} (90 - θ)} + \frac{1}{[\cos^{2} (90 - θ) - 1]}$ ?

A) tan2θ sec2θ	B) sec4θ
C) tan4θ	D) tan2θ sin2θ

Answer & Explanation Answer: A) tan2θ sec2θ

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Q:

Find the odd word/letters/number from the given alternatives.

A) Affluent	B) Rich
C) Prestigious	D) Well-to-do

Answer & Explanation Answer: C) Prestigious

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Q:

Two numbers are in the ratio 5:6 when 6 is added to each, the ratio becomes 7:8 then the numbers are

A) 10 & 12	B) 20 & 24
C) 15 & 18	D) 5 & 6

Answer & Explanation Answer: C) 15 & 18

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Filed Under: Ratios and Proportions
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Q:

If 3x - 8(2 - x) = -19, then the value of x is

A) -3/11	B) -33/11
C) -3/5	D) -33/5

Answer & Explanation Answer: A) -3/11

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Q:

If $2 x + \frac{1}{3 x} = 5$ , the value of $\frac{5 x}{6 x^{2} + 20 x + 1}$ is

A) 1/4	B) 1/6
C) 1/5	D) 1/7

Answer & Explanation Answer: D) 1/7

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Q:

$\tan^{3} A is equal to$

A) 3tanA - tan3A(1 - 3tan2A)	B) 3tanA + tan3A(1 - 3tan2A)
C) 3tanA - tan3A(1 + 3tan2A)	D) 3tanA + tan3A(1 + 3tan2A)

Answer & Explanation Answer: A) 3tanA - tan3A(1 - 3tan2A)

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Q:

Reciprocal of $2 \frac{3}{5}$ ?

A) 235	B) 532
C) 513	D) 335

Answer & Explanation Answer: C) 513

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Q:

A boat cover row 12 km upstream in 4 hours and can cover the same distance downstream in 3 hours. What is the speed (in km/hr) of the boat in still water?

A) 3.5	B) 3
C) 2.5	D) 2

Quantitative Aptitude - Arithmetic Ability Questions

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