6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) 243	B) 687
C) 978	D) 456

Answer & Explanation Answer: D) 456

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Q:

What is the value of [sin (90 – A) + cos (180 – 2A)]/[cos (90 – 2A) + sin (180 – A)]?

A) sin (A/2) cos A	B) cot (A/2)
C) tan (A/2)	D) sin A cos (A/2)

Answer & Explanation Answer: C) tan (A/2)

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Q:

What is the value of $2^{3^{2}}$ ?

A) 64	B) 128
C) 512	D) 256

Answer & Explanation Answer: C) 512

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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:

What is the simplified value of $\sec^{4} θ - \sec^{2} θ \tan^{2} θ$ ?

A) cosec2θ	B) Cot2θ
C) sec2 θ	D) secθ tan θ

Answer & Explanation Answer: C) sec2 θ

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Q:

If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of $x^{2} + y^{2} + z^{2}$ is

A) 2a2	B) 0
C) 4a2	D) a2

Answer & Explanation Answer: D) a2

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Q:

Expand and simplify ${(3 x + 2)}^{2} * (4 x - 3) - (2 x^{3} - 9 x^{2} + 12 x - 24)$

A) 34x3 + 30x2 - 32x - 12	B) 34x3 + 30x2 - 32x + 12
C) 34x3 - 30x2 - 32x + 12	D) 34x3 - 30x2 + 32x - 12

Answer & Explanation Answer: B) 34x3 + 30x2 - 32x + 12

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Q:

What is the simplified value of $2 \sqrt[3]{243} + 3 \sqrt[3]{9} - \sqrt[3]{1125}$ ?

A) 593	B) 493
C) 793	D) 1193

Quantitative Aptitude - Arithmetic Ability Questions

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