6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of $\cos^{2} A / (1 + sinA) ?$

A) 1 + sinA	B) 1 - sinA
C) 1 - secA	D) 1 + secA

Answer & Explanation Answer: B) 1 - sinA

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Q:

What is the value of $2 \sec^{2} A$ ?

A) secA/(cosecA - 1) + secA/(cosecA +1)	B) cosecA/(secA -1) + cosecA/(secA +1)
C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)	D) secA/(secA - 1) + secA/(secA +1)

Answer & Explanation Answer: C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)

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Q:

What is the value of sec 4π/3?

A) 2	B) -2
C) 2/√3	D) -2/√3

Answer & Explanation Answer: B) -2

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Q:

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

A) A	B) S
C) U	D) I

Answer & Explanation Answer: B) S

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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) (9, 18, 25)	B) (7, 16, 23)
C) (26, 35, 42)	D) (19, 27, 35)

Answer & Explanation Answer: D) (19, 27, 35)

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Q:

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

A) -12	B) -2.4
C) -3.6	D) -14

Answer & Explanation Answer: B) -2.4

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Q:

If $a = \frac{\sqrt{3} + \sqrt{2}}{\sqrt{3} - \sqrt{2}}, b = \frac{\sqrt{3} - \sqrt{2}}{\sqrt{3} + \sqrt{2}} then a^{2} + b^{2} - ab ?$

A) 97	B) (2√3) + 2
C) (4√6) + 1	D) 98

Answer & Explanation Answer: A) 97

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Q:

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).

A) (2-√3)/√3	B) (2√3-√6)/2√2
C) 1/2	D) (√6-6)/3√3

Quantitative Aptitude - Arithmetic Ability Questions

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