6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 4 cm, then what is the area (in cm2) of an equilateral triangle with side equal to the bigger diagonal of the rhombus?

A) 6	B) 9√3
C) 12	D) 12√3

Answer & Explanation Answer: D) 12√3

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Q:

If $\frac{11 - 13 x}{x} + \frac{11 - 13 y}{y} + \frac{11 - 13 z}{z} = 5$ then what is the value of $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = ?$

A) 1	B) 13/11
C) 13/5	D) 4

Answer & Explanation Answer: D) 4

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Q:

The simplest form of 3774/2958 is

A) 43/19	B) 37/29
C) 31/13	D) 31/23

Answer & Explanation Answer: B) 37/29

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Q:

If 3x + 4y – 11 = 18 and 8x – 6y + 12 = 6, then what is the value of 5x – 3y – 9?

A) 18	B) – 9
C) – 27	D) – 18

Answer & Explanation Answer: B) – 9

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Q:

Δ PQR is right angled at Q. If m√R = 30°, then what is the value of Cot P?

A) 1/2	B) 1/√2
C) 1/√3	D) 2

Answer & Explanation Answer: C) 1/√3

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Q:

If (8x - 4) = (3x + 6), then the numerical value of ${(x + 1)}^{3}$ is

A) 3	B) 9
C) 27	D) 81

Answer & Explanation Answer: C) 27

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Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (7, 14, 21)	B) (5, 12, 19)
C) (3, 10, 17)	D) (9, 16, 35)

Answer & Explanation Answer: D) (9, 16, 35)

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Q:

An angle is (2/3)rd of its supplementary angle. What is the measure of the angle?

A) 108°	B) 72°
C) 54°	D) 36°

Quantitative Aptitude - Arithmetic Ability Questions

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