6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If $x^{2} + 5 x + 6 = 0$ , then the value of $\frac{2 x}{x^{2} - 7 x + 6}$ is

A) 1/6	B) 1/3
C) -1/6	D) -1/3

Answer & Explanation Answer: C) -1/6

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Q:

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).

A) 60	B) 120
C) 37	D) 74

Answer & Explanation Answer: A) 60

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Q:

Convert binary 10110 to decimal.

A) 22	B) 20
C) 18	D) 16

Answer & Explanation Answer: A) 22

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Q:

The simplified form of ${(x + 3)}^{2} + {(x - 1)}^{2}$ is

A) (x2 + 2x + 5)	B) 2(x2 + 2x + 5)
C) (x2 - 2x + 5)	D) 2(x2 - 2x + 5)

Answer & Explanation Answer: B) 2(x2 + 2x + 5)

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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) (17, 84, 35)	B) (12, 59, 23)
C) (7, 34, 13)	D) (11, 54, 21)

Answer & Explanation Answer: A) (17, 84, 35)

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Q:

If a + b = 10 and ab = 24, then the value of $a^{3} + b^{3}$ is

A) 280	B) 370
C) 520	D) 730

Answer & Explanation Answer: A) 280

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Q:

What is the value of tan150°?

A) -√3	B) 1/√3
C) √3	D) -1/√3

Answer & Explanation Answer: D) -1/√3

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Q:

If tanθ + cotθ = 5, then the value of $\tan^{2} θ + \cot^{2} θ is$

A) 22	B) 23
C) 24	D) 25

Quantitative Aptitude - Arithmetic Ability Questions

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