6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of cot210°?

A) 1/√3	B) -1/√3
C) √3	D) -√3

Answer & Explanation Answer: C) √3

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Q:

What is the value of $[2 \cot \times (p - A) / 2] / [1 + \tan^{2} \times (2 p - A) / 2]$ ?

A) 2 sin2 A/2	B) cos A
C) sin A	D) 2 cos2 A/2

Answer & Explanation Answer: C) sin A

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Q:

What is the value of cos 4π/3?

A) -1/2	B) √3/2
C) - 1/√2	D) √3/2

Answer & Explanation Answer: A) -1/2

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Q:

What is the value of $\sqrt[3]{1331} + \sqrt{729} - \sqrt[3]{512}$

A) 15	B) 20
C) 30	D) 23

Answer & Explanation Answer: C) 30

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Q:

If $2 \cos^{2} A - 1 = x$ , then the value of x is

A) cosec4A - sin4A	B) cos4A - sin4A
C) cos4A - tan4A	D) cosec4A - tan4A

Answer & Explanation Answer: B) cos4A - sin4A

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Q:

Which of the following quadratic equations has equal roots?

A) x2 - 14x - 49 = 0	B) x2 + 7x + 49 = 0
C) x2 - 7x - 49 = 0	D) x2 + 14x + 49 = 0

Answer & Explanation Answer: D) x2 + 14x + 49 = 0

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Q:

Given 17 x 29 = 493, then 170 x 0.029 = ?

A) 0.0493	B) 4.93
C) 0.493	D) 49.3

Answer & Explanation Answer: B) 4.93

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Q:

Select the odd number from the given alternatives.

A) 1600	B) 2500
C) 3600	D) 4000

Quantitative Aptitude - Arithmetic Ability Questions

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