6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of ( 1/√3 + cot60) ?

A) 3√3/2	B) 7/2√3
C) (4+√3)/2√3	D) 2/√3

Answer & Explanation Answer: D) 2/√3

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Q:

What is the value of $\frac{a^{2} + b^{2}}{a^{3} - b^{3}}$ , when a + b = 8 and a - b = 2?

A) 0.313	B) 0.347
C) 0.368	D) 0.381

Answer & Explanation Answer: B) 0.347

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Q:

How many kilometers are there in one metre?

A) 0.01	B) 0.0001
C) 0.001	D) 0.1

Answer & Explanation Answer: C) 0.001

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Q:

If $(1 + \frac{1}{2}) (1 + \frac{1}{4}) (1 + \frac{1}{6}) (1 + \frac{1}{8}) (1 - \frac{1}{3}) (1 - \frac{1}{5}) (1 - \frac{1}{7}) = 1 + \frac{1}{x}$ , then what is the value of x?

A) 6	B) 8
C) 5	D) 7

Answer & Explanation Answer: B) 8

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Q:

If $9^{x} = \sqrt[11]{243}$ , then what is the value of x?

A) 5/11	B) 5/22
C) 5/7	D) 5/33

Answer & Explanation Answer: B) 5/22

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Q:

A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity of water it can hold.

A) 4929 cub.cm	B) 4939 cub.cm
C) 4932 cub.cm	D) 4930 cub.cm

Answer & Explanation Answer: B) 4939 cub.cm

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Q:

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)

A) 1879.43	B) 3758.86
C) 939.715	D) 2819.145

Answer & Explanation Answer: A) 1879.43

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Q:

Which one of the following combination of measurements can form the sides of a triangle?

A) 9 cm, 6 cm, 2 cm	B) 11 cm, 3 cm, 12 cm
C) 3 cm, 5 cm, 8 cm	D) 5 cm, 7 cm, 13 cm

Quantitative Aptitude - Arithmetic Ability Questions

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