6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If a - b = 3 and $a^{2} + b^{2} = 25$ , then the value of ab is

A) 16	B) 8
C) 10	D) 15

Answer & Explanation Answer: B) 8

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1605

Q:

If $x + \frac{1}{x} = 4, then what is the value of x^{6} + \frac{1}{x^{6}} ?$

A) 52	B) 256
C) 1026	D) 2702

Answer & Explanation Answer: D) 2702

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

0 1604

Q:

4*(-0.1(5.5 + 8.5)) of 0.5 = ?

A) -2.8	B) -1.68
C) -1.28	D) -0.84

Answer & Explanation Answer: A) -2.8

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

0 1604

Q:

The simplified value of $\frac{\sqrt{3} - \sqrt{2}}{\sqrt{12} - \sqrt{18}} - \frac{1}{3} \times \sqrt{27} - \frac{1}{2} x \sqrt[3]{27}$ is closest to

A) (√3 - 1)	B) (1 - √3)
C) - (-√3 - 1)	D) - (√3 + 1)

Answer & Explanation Answer: D) - (√3 + 1)

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

0 1604

Q:

Present ages of Rahul and his brother are in the ratio of 5 : 3. After 4 years ratio of ages of Rahul’s brother and his sister will be 5 : 6. If the present age of his sister is 26 years, then what will be the age (in years) of Rahul 3 years from now?

A) 38	B) 35
C) 40	D) 31

Answer & Explanation Answer: A) 38

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

2 1604

Q:

Find the sum of interior angles of a dodecagon?

A) 1620°	B) 1800°
C) 1440°	D) 1260°

Answer & Explanation Answer: B) 1800°

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1604

Q:

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

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

Answer & Explanation Answer: B) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1604

Q:

If secA + tanA = x, then find the value of x.

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

Quantitative Aptitude - Arithmetic Ability Questions

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