6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of $\sqrt{4600 + \sqrt{540 + \sqrt{1280 + \sqrt{250 + \sqrt{36}}}}}$ ?

A) 69	B) 68
C) 70	D) 72

Answer & Explanation Answer: B) 68

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Q:

x, y and z are real numbers. If $x^{3} + y^{3} + z^{3} = 13, x + y + z = 1$ and xyz = 1, then what is the value of xy + yz + zx?

A) -1	B) 1
C) 3	D) -3

Answer & Explanation Answer: D) -3

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Q:

What is the value of (cosecA - cotA) / (secA + tanA)?

A) (secA + tanA)/(cosecA - cotA)	B) √[(secA - tanA)/(cosecA + cotA)]
C) (secA - tanA)/(cosecA + cotA)	D) √[(secA + tanA)/(cosecA - cotA)]

Answer & Explanation Answer: C) (secA - tanA)/(cosecA + cotA)

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Q:

Find the value of $\frac{6 \sqrt{2}}{5 \sqrt{3}} (\sqrt{2} + \sqrt{18})$

A) 1635	B) 2635
C) 3635	D) 4635

Answer & Explanation Answer: A) 1635

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Q:

In an equilateral triangle ABC, G is the centroid. Each side of the triangle is 6 cm. The length of AG is

A) 2√2 cm	B) 3√2 cm
C) 2√3 cm	D) 3√3 cm

Answer & Explanation Answer: C) 2√3 cm

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Q:

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

A) 17/8	B) 8/17
C) 17/15	D) 15/17

Answer & Explanation Answer: C) 17/15

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Q:

ABC is a triangle if $\sin (\frac{A + B}{2}) = \frac{\sqrt{3}}{2}$ then the value of Sin $\frac{c}{2}$ is

A) 12	B) 0
C) 1/2	D) 32

Answer & Explanation Answer: C) 1/2

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

A boy walking at the speed of 4 km/hr covers a certain distance in 6 hours 15 minutes. If he covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of the cycle?

A) 4.5	B) 5
C) 6	D) 6.5

Quantitative Aptitude - Arithmetic Ability Questions

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