6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

A) 7/25	B) 24/7
C) 25/7	D) 7/24

Answer & Explanation Answer: C) 25/7

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Q:

If tan(A/2) = x, then the value of x is

A) √[(1 + cosA)/(1 - cosA)]	B) (1 - cosA)/(1 + cosA)
C) (1 + cosA)/(1 - cosA)	D) √[(1 - cosA)/(1 + cosA)]

Answer & Explanation Answer: D) √[(1 - cosA)/(1 + cosA)]

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Q:

If cosAcotA/(1 - sinA) = x, then the value of x is

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

Answer & Explanation Answer: B) 1 + cosecA

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Q:

Arrange them in ascending order $\sqrt[4]{6}, \sqrt[3]{3} and \sqrt[3]{4}$

A) 33 < 64 > 43	B) 33 > 64 > 43
C) 33 > 43 > 64	D) 33 < 64 < 43

Answer & Explanation Answer: D) 33 < 64 < 43

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Q:

If $x^{2} + \frac{1}{x^{2}} = 98, then x^{3} + \frac{1}{x^{3}} = ?$

A) 970	B) 1030
C) -970	D) -1030

Answer & Explanation Answer: A) 970

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Q:

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

A) 1444 – 37	B) 2809 – 54
C) 2209 – 46	D) 6084 – 77

Answer & Explanation Answer: B) 2809 – 54

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Q:

What is the quotient when 1359 is divided by 48?

A) 29	B) 31
C) 30	D) 28

Answer & Explanation Answer: D) 28

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Q:

The areas of two similar triangles ΔXYZ and ΔPQR are 100 sq cms and 25 sq cms respectively. If PQ = 4 cm then what is the length of XY (in cm)?

A) 16	B) 14
C) 8	D) 20

Quantitative Aptitude - Arithmetic Ability Questions

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