6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If $sinA + \sin^{2} A = 1$ then what is the value of $\cos^{2} A + \cos^{4} A$

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

Answer & Explanation Answer: B) 1

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Q:

Find the value of ${[6 {[8^{\frac{1}{3}} + 64^{\frac{1}{3}}]}^{3}]}^{\frac{1}{4}}$

A) 5	B) 6
C) 36	D) 216

Answer & Explanation Answer: B) 6

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Q:

Find the value of x if $\sqrt{1 - \frac{x}{24}} = \frac{13}{18}$

A) 155	B) 157
C) 159	D) 161

Answer & Explanation Answer: A) 155

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Q:

What is the value of (2 - sin30°) ?

A) 3/2	B) 3/√2
C) 2-√3	D) (2√3-√6)/2√2

Answer & Explanation Answer: A) 3/2

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Q:

If the selling price is Rs 1680 after getting a discount of 16%, what was the marked price?

A) Rs 2000	B) Rs 1948.8
C) Rs 1411.2	D) Rs 1448

Answer & Explanation Answer: A) Rs 2000

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Q:

In the following question, select the odd word pair from the given alternatives.

A) Mass – Balance	B) Temperature – Thermometer
C) Scale – Length	D) Pressure – Barometer

Answer & Explanation Answer: C) Scale – Length

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Q:

Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A) 39	B) 93
C) 63	D) 36

Answer & Explanation Answer: A) 39

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Q:

The ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7 gm, find the weight of gold in the alloy?

A) 12.6 gm	B) 15.3 gm
C) 18 gm	D) 21.2 gm

Quantitative Aptitude - Arithmetic Ability Questions

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