6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The diameter of a circle is 28 cm find its area?

A) 616 sq cm	B) 308 sq cm
C) 154 sq cm	D) 77 sq cm

Answer & Explanation Answer: A) 616 sq cm

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Q:

$\sec^{2} {Acosec}^{2} A$ is equal to

A) sec2A - cosec2A	B) √[sec2A + cosec2A]
C) sec2A + cosec2A	D) √[sec2A - cosec2A]

Answer & Explanation Answer: C) sec2A + cosec2A

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Q:

You have 20 big and 16 small diaries and want to make gift packs containing both in each pack. What is the maximum number of gift packs you can make without any left over?

A) 5	B) 4
C) 3	D) 2

Answer & Explanation Answer: B) 4

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Q:

If a - b = 2 and ab = 15, then what is the value of $a^{3} - b^{3}$ ?

A) 152	B) 112
C) 108	D) 98

Answer & Explanation Answer: D) 98

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Q:

What is the value of $\sin (90 ° + 2 A) [4 - \cos 2 (90 ° - 2 A)] ?$

A) 2(cos3 A – sin3 A)	B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A)	D) 4(cos6 A – sin6 A)

Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

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Q:

Find the circumference (in cm) of a circle of radius 10.5 cm

A) 84	B) 35
C) 70	D) 66

Answer & Explanation Answer: D) 66

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Q:

The area of a circle is 616 sq.m. Find its diameter.

A) 7 m	B) 14 m
C) 28 m	D) 56 m

Answer & Explanation Answer: C) 28 m

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Q:

In $∆ ABC$ two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be

A) 3 cm	B) 6 cm
C) 9 cm	D) 12 cm

Quantitative Aptitude - Arithmetic Ability Questions

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