6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

$\tan^{3} A is equal to$

A) 3tanA - tan3A(1 - 3tan2A)	B) 3tanA + tan3A(1 - 3tan2A)
C) 3tanA - tan3A(1 + 3tan2A)	D) 3tanA + tan3A(1 + 3tan2A)

Answer & Explanation Answer: A) 3tanA - tan3A(1 - 3tan2A)

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Q:

Find the value of $\sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7}}}}}}$ ?

A) 73164	B) 7164
C) 76364	D) 7764

Answer & Explanation Answer: C) 76364

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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:

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.

A) 16	B) 14
C) 13	D) 15

Answer & Explanation Answer: B) 14

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Q:

The value of (1 - √2) + (√2 - √3) + (√3 - √4) + ..... + (√15 - √16) is

A) 0	B) 1
C) -3	D) 4

Answer & Explanation Answer: C) -3

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Q:

What is the value of (cos45° + 1/3) ?

A) 2+√3	B) (2√2+1)/√2
C) (3+√2)/3√2	D) 5/√3

Answer & Explanation Answer: C) (3+√2)/3√2

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Q:

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

A) 2132 – 161	B) 2678 – 672
C) 4325 – 120	D) 6931 – 162

Answer & Explanation Answer: A) 2132 – 161

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Q:

Find the marked price if the selling price is Rs. 9250 and discount is 7.5%.

A) 9000	B) 8556.25
C) 10000	D) 9943.75

Quantitative Aptitude - Arithmetic Ability Questions

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