6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The maturity value of a certain sum after two years at 20% p.a. interest compounded annually is Rs. 14,400/-. Find the Principal amount.

A) Rs.9000	B) Rs.9500
C) Rs.10,000	D) Rs.10,500

Answer & Explanation Answer: C) Rs.10,000

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

What is the simplified value of $\sqrt{12} - \frac{1}{\sqrt{3}}$ ?

A) 5√3	B) 5/√3
C) 3√5	D) 3/√5

Answer & Explanation Answer: B) 5/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Which of the following triangle has the maximum area when inscribed inside the circle of same radius?

A) Scalene	B) Isosceles
C) Equilateral	D) Right angled

Answer & Explanation Answer: C) Equilateral

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?

A) 28	B) 22
C) 24	D) 26

Answer & Explanation Answer: A) 28

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

$If y = \frac{2 - x}{1 + x}, then what is the value of \frac{1}{y + 1} + \frac{2 y + 1}{y^{2} - 1} ?$

A) (1+x)(2-x)2x-1	B) (1-x)(2+x)x-1
C) (1+x)(2-x)1-2x	D) (1+x)(1-2x)2-x

Answer & Explanation Answer: C) (1+x)(2-x)1-2x

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

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Q:

α and β are the roots of the quadratic equation $x^{2} - x - 1 = 0$ . What is the value of $α^{8} + β^{8}$ ?

A) 47	B) 54
C) 59	D) 68

Answer & Explanation Answer: A) 47

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

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Q:

In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then what is the value (in degrees) of ∠QPR?

A) 50	B) 60
C) 80	D) 100

Answer & Explanation Answer: C) 80

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

In ΔABC, AD is the median and AD = (1/2)BC. If ∠ACD = 40°, then what is the value (in degrees) of ∠DAB?

A) 30	B) 40
C) 50	D) 60

Quantitative Aptitude - Arithmetic Ability Questions

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