6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 5210	B) 8432
C) 8648	D) 7240

Answer & Explanation Answer: D) 7240

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Q:

If Sin θ = 12/13, then what is the value of Cot θ?

A) 13/12	B) 5/13
C) 5/12	D) 13/5

Answer & Explanation Answer: C) 5/12

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Filed Under: Simplification
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Q:

What is the value of (cos45° + 1/3) ?

A) 2+√3	B) (2√2+1)/√2
C) (3+√2)/3√2	D) 5/√3

Answer & Explanation Answer: C) (3+√2)/3√2

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Q:

Reflection of the point (-3,6) in the x-axis is

A) (3,6)	B) (6,-3)
C) (-3,-6)	D) (-6,3)

Answer & Explanation Answer: C) (-3,-6)

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Q:

Find two numbers such that their mean proportion is 12 and third proportion is 768.

A) 3 and 24	B) 3 and 48
C) 6 and 48	D) 6 and 24

Answer & Explanation Answer: B) 3 and 48

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Filed Under: Ratios and Proportions
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Q:

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

A) cosA/(1 - sinA)	B) cosecA/(1 + sinA)
C) cosA/(1 + sinA)	D) cosecA/(1 - sinA)

Answer & Explanation Answer: C) cosA/(1 + sinA)

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Filed Under: Simplification
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Q:

If √ $(1 + \cot^{2} A) / cotA = x$ , then the value of x is

A) sinA	B) cosecA
C) secA	D) cosA

Answer & Explanation Answer: C) secA

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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

Quantitative Aptitude - Arithmetic Ability Questions

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