6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of √[(1 + sinA)/(1 - sinA)]?

A) secA - tanA	B) cosecA + tanA
C) secA + tanA	D) cosecA - tanA

Answer & Explanation Answer: C) secA + tanA

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Q:

Find the value of p if -3x - 11, x + p and 5x + 7 are in arithmetic progression.

A) 9	B) 2
C) -9	D) -2

Answer & Explanation Answer: D) -2

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Q:

If $XY = \frac{a + 2}{3} and \frac{Y}{X} = \frac{1}{3}$ , then find the value of $\frac{X^{2} + Y^{2}}{X^{2} - Y^{2}}$ .

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: B) 2

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Q:

If sinC + sinD =X, then the value of X is?

A) 2cos[(C+D)/2]sin[(C-D)/2]	B) 2sin[(C+D)/2]cos[(C-D)/2]
C) 2cos[(C+D)/2]cos[(C-D)/2]	D) 2sin[(C+D)/2]sin[(D-C)/2]

Answer & Explanation Answer: B) 2sin[(C+D)/2]cos[(C-D)/2]

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Q:

The bus fare between two cities is increased in the ratio 11:18. What would be the increase in the fare, if the original fare is Rs 550?

A) Rs 350	B) Rs 900
C) Rs 180	D) Rs 360

Answer & Explanation Answer: A) Rs 350

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Q:

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

A) 25	B) 36
C) 30	D) 27

Answer & Explanation Answer: D) 27

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Q:

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

A) 4/5	B) 9/4
C) 4/9	D) 5/4

Answer & Explanation Answer: D) 5/4

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Q:

Divide 20 into two parts such that the sum of the square of the parts is 232. What is the value of the two parts?

A) 6, 14	B) 8, 12
C) 4, 16	D) 10, 10

Quantitative Aptitude - Arithmetic Ability Questions

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