6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of $\sin (90 ° + 2 A) [4 - \cos 2 (90 ° - 2 A)] ?$

A) 2(cos3 A – sin3 A)	B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A)	D) 4(cos6 A – sin6 A)

Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2060

Q:

If $x^{2} - 2 x + 1 = 0,$ then the value of $x^{4} + \frac{1}{x^{4}}$ is

A) 0	B) 1
C) 2	D) 3

Answer & Explanation Answer: B) 1

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Q:

If $x + \frac{1}{x} = - 2,$ then the value of $x^{7} + \frac{1}{x^{7}}$

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

Answer & Explanation Answer: D) -2

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

5 2060

Q:

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?

A) 45	B) 55
C) 60	D) 75

Answer & Explanation Answer: D) 75

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

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

A) Teacher	B) Lawyer
C) Doctor	D) Manager

Answer & Explanation Answer: D) Manager

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If x – 3 + [1/(x – 3)] = 4, what is the value of $[{(x - 3)}^{3} + [1 / {(x - 3)}^{3}]$ ?

A) 14	B) 18
C) 52	D) 76

Answer & Explanation Answer: C) 52

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Filed Under: Simplification
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Q:

What is the value of 1/√2 Cot 30° + 1/√3 Cosec 60°?

A) (3√3 + 2√2)/3√2	B) (3√3 - 2√2)/3√2
C) (3√3 + 2√2)/√2	D) (3√3 - 2√2)/√2

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

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2058

Q:

In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?

A) 72	B) 73
C) 69	D) 71

Quantitative Aptitude - Arithmetic Ability Questions

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