6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If cos 135° = x, then the value of x is

A) -1/√2	B) -√3/2
C) -1/2	D) 2

Answer & Explanation Answer: A) -1/√2

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

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Q:

If Cot θ = 24/7, then Sin θ = ?

A) 24/25	B) 8/25
C) 7/25	D) 9/25

Answer & Explanation Answer: C) 7/25

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the total surface area (in cm2 ) of a hemisphere of diameter 42 cm.

A) 4158	B) 5782
C) 6321	D) 7782

Answer & Explanation Answer: A) 4158

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

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Q:

What is the largest 4 digit number which is exactly divisible by 81?

A) 9993	B) 9936
C) 9918	D) 9963

Answer & Explanation Answer: D) 9963

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Fraction that lies between 2/5 and 4/9 is

A) 3/7	B) 3/4
C) 4/5	D) 1/2

Answer & Explanation Answer: A) 3/7

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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Q:

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

A) 15/18	B) 13/18
C) 7/9	D) 8/9

Answer & Explanation Answer: B) 13/18

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

What is the simplified value of $\sqrt{12} - \frac{1}{\sqrt{3}}$ ?

A) 5√3	B) 5/√3
C) 3√5	D) 3/√5

Answer & Explanation Answer: B) 5/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the HCF of 36, 72 and 126?

A) 9	B) 36
C) 18	D) 12

Quantitative Aptitude - Arithmetic Ability Questions

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