6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If the shopkeeper sells an item at Rs 1250 which is marked as Rs 1500, then what is the discount he is offering?

A) 20 percent	B) 16.67 percent
C) 25 percent	D) 10 percent

Answer & Explanation Answer: B) 16.67 percent

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Q:

If 2 shirts are offered free on purchase of 3 shirts priced Rs 600 each, then what will be the effective discount on each shirt?

A) 30 percent	B) 66.67 percent
C) 40 percent	D) 25 percent

Answer & Explanation Answer: C) 40 percent

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Q:

What is 15% of 34 ?

A) 5.1	B) 5
C) 5.2	D) 4.9

Answer & Explanation Answer: A) 5.1

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Q:

If secA - tanA = x, then the value of x is

A) √[(1 + sinA)/(1 - sinA)]	B) √[(1-sinA)/(1+sinA)]
C) (1-sinA)/(1+sinA)	D) (1 + sinA)/(1 - sinA)

Answer & Explanation Answer: B) √[(1-sinA)/(1+sinA)]

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Q:

If cot(A/2) = x, then x is equal to

A) tanA/(1 + secA)	B) 1/(secA + cotA)
C) tanA/(1 + cosecA)	D) 1/(cosecA - cotA)

Answer & Explanation Answer: D) 1/(cosecA - cotA)

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Q:

If $x = \sqrt{3} + \frac{1}{\sqrt{3}}$ , then the value of $(x - \frac{\sqrt{126}}{\sqrt{42}}) (x - \frac{1}{x - \frac{2 \sqrt{3}}{3}})$ is

A) √3/6	B) 2√3/6
C) 5/6	D) 2/3

Answer & Explanation Answer: C) 5/6

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Q:

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

A) tan A	B) tan 4 A
C) cot 4 A	D) cot A

Answer & Explanation Answer: D) cot A

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Q:

If 31% of an electricity bill is deducted, Rs 1794 is still to be paid. How much was the original bill amount?

A) Rs 1369	B) Rs 2600
C) Rs 2636	D) Rs 1405

Quantitative Aptitude - Arithmetic Ability Questions

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