6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) VT	B) FD
C) PN	D) JM

Answer & Explanation Answer: D) JM

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Study the information carefully to answer the following questions: An urn contains 5 red, 3 green, 2 blue and 4 yellow marbles. If three marbles are picked at random, what is the probability that one is green and two are yellow?

A) 3/14	B) 2/91
C) 9/182	D) 7/545

Answer & Explanation Answer: C) 9/182

Explanation:

Required probability = $\frac{3 \times 6}{364} = \frac{9}{182}$

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
Job Role: Bank Clerk , Bank PO

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Q:

If cosecA - cotA = x, then the value of x is

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

Answer & Explanation Answer: C) sinA/(1 + cosA)

Explanation:

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

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Q:

Determine the value of $(\frac{1}{r} + \frac{1}{s})$ when $r^{3} + s^{3} = 0 and r + s = 6$ ?

A) 0	B) 0.5
C) 1	D) 2

Answer & Explanation Answer: B) 0.5

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Filed Under: Square Roots and Cube Roots

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Q:

The ten's digit of a 2digit number is greater than the units digit by 4. If we subtract 36 from the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A) 37	B) 18
C) 81	D) 73

Answer & Explanation Answer: D) 73

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

What is the value of $\sqrt{513 - \sqrt{144} - \sqrt{81} - \sqrt{64}} ?$

A) 22	B) 21
C) 28	D) 19

Answer & Explanation Answer: A) 22

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A shopkeeper by selling 23 Lotto shoes, earns a profit equal to the selling price of 7 Lotto shoes. His profit percentage is

A) 43.75 percent	B) 30.4 percent
C) 60.8 percent	D) 17.05 percent

Answer & Explanation Answer: A) 43.75 percent

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If $\sec^{2} θ + \tan^{2} θ = 5 / 3$ , then what is the value of tan2θ?

A) 2√3	B) √3
C) 1/√3	D) Cannot be determined

Quantitative Aptitude - Arithmetic Ability Questions

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