6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Simple interest on a sum for 5 years is equal to 20% of the principal. In how many years interest will be equal to the principal?

A) 20	B) 25
C) 15	D) 16

Answer & Explanation Answer: B) 25

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 1716

Q:

If ${(x + \frac{1}{x})}^{2} = 3$ , then the value of $x^{3} + \frac{1}{x^{3}}$ is:

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

Answer & Explanation Answer: A) 0

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

The average revenues of 7 consecutive years of a company is Rs 75 lakhs. If the average of first 4 years is Rs 70 lakhs and that of last 4 years is Rs 82 lakhs, what will be the revenue for the 4th year.

A) Rs 85 lakhs	B) Rs 83 lakhs
C) Rs 81 lakhs	D) Rs 79 lakhs

Answer & Explanation Answer: B) Rs 83 lakhs

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Filed Under: Average
Exam Prep: Bank Exams

0 1715

Q:

How many three digit numbers are there in which all the digits are odd?

A) 100	B) 125
C) 500	D) 250

Answer & Explanation Answer: B) 125

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1715

Q:

The ratio 1 : 5 can be expressed in decimal as

A) 0.5	B) 0.2
C) 0.02	D) 0.1

Answer & Explanation Answer: B) 0.2

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

2 1714

Q:

In a one day match of 50 overs in an innings the team A had a run rate of 5.3 runs per over. Team B is playing and 5 overs are left and the required run rate to tie the match is 7.2 per over to match the score of Team A. What is team B's score?

A) 265	B) 238
C) 254	D) 229

Answer & Explanation Answer: D) 229

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Filed Under: Average
Exam Prep: Bank Exams

1 1714

Q:

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

A) 3 cm	B) 1.5 cm
C) 1 cm	D) 2.5 cm

Answer & Explanation Answer: C) 1 cm

Explanation:

Let, inner radius of cylinder be ‘x’ cm.
4/3 π(6)3 = π × 32 (52 − x2)

or, (4 × 6 × 6 × 6) / (3 × 32) = 25 − x2 or, x2 = 25 − 9
or, x = 4 cm
Hence, thickness = 5 – 4 = 1 cm.

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

What is the area (in square units) of the figure enclosed by the graphs of the lines x = -4, x = 2, y = -2 and y = 3?

A) 12	B) 24
C) 15	D) 60

Quantitative Aptitude - Arithmetic Ability Questions

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