6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If ${(x - 5)}^{2} + {(y - 2)}^{2} + {(z - 9)}^{2} = 0$ , then value of (x + y - z) is

A) 16	B) -1
C) -2	D) 12

Answer & Explanation Answer: C) -2

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Q:

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

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

Answer & Explanation Answer: A) cosecA - cotA

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Q:

If $a + \frac{1}{b} = 1 and b + \frac{1}{c} = 1$ , then the value of $c + \frac{1}{a}$ is

A) 0	B) 1
C) -1	D) 2

Answer & Explanation Answer: B) 1

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Q:

Which of the fractions given below is not equal to 4/11 ?

A) 32/88	B) 84/209
C) 64/176	D) 20/55

Answer & Explanation Answer: B) 84/209

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Q:

If secA = x, then the value of x is

A) √(1 - cot2A)	B) √(1 - tan2A)
C) √(1 + cot2A)	D) √(1 + tan2A)

Answer & Explanation Answer: D) √(1 + tan2A)

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Q:

If 7x - 5y = 13 and 2x - y = 5, then (x - y) is

A) 3	B) 4
C) 5	D) 1

Answer & Explanation Answer: D) 1

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Q:

Which of the following quadratic equations has real roots?

A) 3x2 - 5x + 2 = 0	B) 3x2 - 4x + 2 = 0
C) 4x2 - 3x + 2 = 0	D) 5x2 - 2x + 2 = 0

Answer & Explanation Answer: A) 3x2 - 5x + 2 = 0

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Q:

If x - y = 7 and x + y = 13, then $x^{2} - y^{2}$ is

A) 91	B) -30
C) 30	D) -91

Quantitative Aptitude - Arithmetic Ability Questions

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