6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

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

A) BN – P	B) GI – R
C) LM – Y	D) TA – U

Answer & Explanation Answer: B) GI – R

Explanation:

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Q:

If (tanA - tanB)/(1 + tanAtanB) = x, then the value of x is

A) tan(A - B)	B) tan(A + B)
C) cot(A - B)	D) cot(A + B)

Answer & Explanation Answer: A) tan(A - B)

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Filed Under: Simplification
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Q:

A Village lost 12% of its goats in a flood and 5% of remainder died from diseases. If the number left now is 8360. What was the orignal number before the flood?

A) 1000	B) 10000
C) 1,00,000	D) 8360

Answer & Explanation Answer: B) 10000

Explanation:

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Filed Under: Percentage
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Q:

The line passing through (3,4) and (0,3) is perpendicular to the line passing through (5,7) and (4,x). What is the value of x?

A) 4	B) -2
C) 2	D) -4

Answer & Explanation Answer: A) 4

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Filed Under: Area
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Q:

If 4(2x + 3) > 5 - x and 5x - 3(2x - 7) > 3x - 1, then x can take which of the following values?

A) 6	B) -1
C) 5	D) -6

Answer & Explanation Answer: C) 5

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Filed Under: Simplification
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Q:

√[(1 sinA)/(1 + sinA)] is equal to?

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

Answer & Explanation Answer: A) secA - tanA

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Q:

If ${(cotA - cosecA)}^{2} = x$ , then the value of x is

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

Answer & Explanation Answer: A) (1 - cosA)/(1 + cosA)

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Filed Under: Simplification
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Q:

What is the value of $\frac{\sqrt{128} + \sqrt{72}}{\sqrt{32}}$

A) 3.5	B) 7
C) 4.5	D) 9

Quantitative Aptitude - Arithmetic Ability Questions

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