6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

${(8)}^{\frac{2}{3}}$ = ?

A) √4	B) 2
C) 4	D) 64

Answer & Explanation Answer: C) 4

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 56411

Q:

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

A) 3√5	B) 2√5
C) 2√3	D) 3√3

Answer & Explanation Answer: B) 2√5

Explanation:

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Exam Prep: Bank Exams

0 56227

Q:

If $x^{2} = 25^{2} - 15^{2},$ then find the value of x?

A) 40	B) 50
C) 20	D) 25

Answer & Explanation Answer: C) 20

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Exam Prep: Bank Exams

0 56208

Q:

Use continuity to evaluate the limit.

$\lim_{x \to 12} \frac{8 + x}{8 + x}$

A) 1	B) 2
C) 4	D) 0

Answer & Explanation Answer: A) 1

Explanation:

Since, we have that,

The numerator and denominator is (8+x), which is a polynomial is continuous for all the real numbers i.e. for all x belonging to .

Thus, the limit exists and is given by,

$\lim_{x \to 12} \frac{8 + x}{8 + x} = \frac{8 + 12}{8 + 12} = 1$ .

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Exam Prep: Bank Exams , CAT

0 56194

Q:

Read the following information and answer the questions given below:

A has 28 elements, B has 32 elements and A U B has 40 elements.

How many elements does A $\cap$ B have?

A) 12	B) 8
C) 10	D) 20

Answer & Explanation Answer: D) 20

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

If the average of 31, x, 42, 39, 56, 78, 83 and 91 is 58.5, then what is the value of x?

A) 26	B) 34
C) 58	D) 48

Answer & Explanation Answer: D) 48

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

8 56096

Q:

$\frac{\sin 30 °}{1 + \cos 30 °} + \frac{1 + \cos 30 °}{\sin 30 °}$ = ?

A) 4	B) 3
C) 1	D) 2

Answer & Explanation Answer: A) 4

Explanation:

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Exam Prep: Bank Exams

0 56079

Q:

Find the appropriate value of '?' in ${(14.998)}^{3} = ?$

A) 3573	B) 4096
C) 3378	D) 3374

Quantitative Aptitude - Arithmetic Ability Questions

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