6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The simplified value of $\frac{\sqrt{3} - \sqrt{2}}{\sqrt{12} - \sqrt{18}} - \frac{1}{3} \times \sqrt{27} - \frac{1}{2} x \sqrt[3]{27}$ is closest to

A) (√3 - 1)	B) (1 - √3)
C) - (-√3 - 1)	D) - (√3 + 1)

Answer & Explanation Answer: D) - (√3 + 1)

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

Find two numbers such that their mean proportion is 12 and third proportion is 768.

A) 3 and 24	B) 3 and 48
C) 6 and 48	D) 6 and 24

Answer & Explanation Answer: B) 3 and 48

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Filed Under: Ratios and Proportions
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Q:

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

A) 51:59	B) 51:53
C) 51:60	D) 55:59

Answer & Explanation Answer: A) 51:59

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Q:

If (36 - 16x) - (4x - 8) = 4, then the value of x is

A) 4	B) 2
C) 6	D) 3

Answer & Explanation Answer: B) 2

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Filed Under: Simplification
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Q:

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

A) 98	B) 94
C) 90	D) 86

Answer & Explanation Answer: C) 90

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Q:

A solid right circular cone of radius 4 cm and height 7 cm is put inside a cylindrical vessel of radius 5 cm and height 8 cm. How much water in cubic cm will be required to fill the cylindrical vessel completely?

A) 1022.48 cubic cms	B) 1533.72 cubic cms
C) 511.24 cubic cms	D) 255.62 cubic cms

Answer & Explanation Answer: C) 511.24 cubic cms

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Filed Under: Area
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Q:

The circumference of a circle is 88 cm. Find its radius (in cm).

A) 28	B) 15
C) 14	D) 30

Answer & Explanation Answer: C) 14

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Q:

What is the value of $(2 - 2 z + z^{2}) (2 + 2 z - z^{2}), when z + \frac{2}{z} = 2 ?$

A) 0	B) 2
C) 4	D) 8

Quantitative Aptitude - Arithmetic Ability Questions

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