6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Which of the following statements is not true?

A) The difference of two prime numbers, both greater than 2, is divisible by 2	B) For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
C) If a number is of the form 6n –1 (n being a natural number), then its is a prime number.	D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

Answer & Explanation Answer: D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

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Q:

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

A) 6√13 cm	B) 4√13 cm
C) 18 cm	D) 9 cm

Answer & Explanation Answer: C) 18 cm

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Filed Under: Area
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Q:

Simplify $\frac{0.1 x 0.1 x 0.1 + 0.3 x 0.3 x 0.3}{0.3 x 0.3 - 0.3 x 0.1 + 0.1 x 0.1}$

A) 0.09	B) 0.03
C) 0.05	D) 0.04

Answer & Explanation Answer: D) 0.04

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Filed Under: Simplification
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Q:

Reciprocal of $2 \frac{3}{5}$ ?

A) 235	B) 532
C) 513	D) 335

Answer & Explanation Answer: C) 513

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Q:

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

A) 1.6 m	B) 2 m
C) 0.9 m	D) 1.8 m

Answer & Explanation Answer: A) 1.6 m

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Filed Under: Ratios and Proportions
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Q:

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

A) 48 cm2	B) 96 cm2
C) 144 cm2	D) 192 cm2

Answer & Explanation Answer: B) 96 cm2

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Q:

Two circles touch each other at point X. A common tangent touch them at two distinct points Y and Z. If another tangent passing through X cut YZ at A and XA= 16 cm, then what is the value (in cm) of YZ?

A) 18	B) 24
C) 16	D) 32

Answer & Explanation Answer: D) 32

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Q:

sinA/(1 + cos A) is equal to

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

Quantitative Aptitude - Arithmetic Ability Questions

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