6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If ax + by = 1 and $bx + ay = \frac{2 ab}{a^{2} + b^{2}}$ then $(x^{2} + y^{2}) (a^{2} + b^{2})$ is equal to

A) 1	B) 2
C) 0.5	D) 0

Answer & Explanation Answer: A) 1

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Q:

The value of the expression $2 (\sin^{6} θ + \cos^{6} θ) - 3 (\sin^{4} θ + \cos^{4} θ) + 1$ is

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

Answer & Explanation Answer: B) 0

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Q:

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

A) 27	B) 125
C) 8	D) 729

Answer & Explanation Answer: C) 8

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Q:

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

A) IJLO	B) EFHI
C) KLNQ	D) GHJM

Answer & Explanation Answer: B) EFHI

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Q:

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

A) 529	B) 549
C) 731	D) 525

Answer & Explanation Answer: A) 529

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Q:

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

A) Adamant	B) Stubborn
C) Tenacious	D) Lenient

Answer & Explanation Answer: D) Lenient

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Q:

Which of the following is correct?

A) (3x - 2y)2 = 9x2 - 12xy + 4y2	B) (3x - 2y)2 = 9x2 - 6xy + 4y2
C) (3x + 2y)2 = 9x2 - 12xy + 4y2	D) (3x + 2y)2 = 9x2 - 6xy + 4y2

Answer & Explanation Answer: A) (3x - 2y)2 = 9x2 - 12xy + 4y2

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Q:

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

A) (1 + √3)/2	B) (1 + 3√2)/√3
C) 7/3	D) (3 + 2√2)/3√2

Quantitative Aptitude - Arithmetic Ability Questions

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