6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In triangle ABC, AB = 8 cm, angle A is bisected internally to intersect BC at D. BD = 6 cm and DC = 7.5 cm. What is the length of CA?

A) 12 cm	B) 10 cm
C) 12.5 cm	D) 10.5 cm

Answer & Explanation Answer: B) 10 cm

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Q:

Select the odd word from the given alternatives.

A) Batsman	B) Umpire
C) Bowler	D) Wicket-keeper

Answer & Explanation Answer: B) Umpire

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) OKGC	B) TPLH
C) XSOK	D) YUQM

Answer & Explanation Answer: C) XSOK

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Q:

If $2 x + \frac{2}{9 x} = 4$ , then the value of $27 x^{3} + \frac{1}{27 x^{3}}$

A) 180	B) 198
C) 234	D) 252

Answer & Explanation Answer: B) 198

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Q:

If $2^{x + 4} - 2^{x + 2} = 3$ , then the value of x?

A) 0	B) 2
C) -1	D) -2

Answer & Explanation Answer: D) -2

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Q:

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

A) 30°	B) 60°
C) 90°	D) 120°

Answer & Explanation Answer: A) 30°

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Q:

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

A) (sin2A - sin2B)/(cos2A cos2B)	B) (sin2A sin2B)/(cos2A - cos2B)
C) (sin2A + sin2B)/(cos2A cos2B)	D) (sin2A sin2B)/(cos2A + cos2B)

Answer & Explanation Answer: A) (sin2A - sin2B)/(cos2A cos2B)

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Q:

What is the average of first 30 multiples of 9?

A) 142	B) 138.5
C) 139.5	D) 143.5

Quantitative Aptitude - Arithmetic Ability Questions

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