6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

$(2^{51} + 2^{52} + 2^{53} + 2^{54} + 2^{55})$ is divided by

A) 23	B) 58
C) 124	D) 127

Answer & Explanation Answer: C) 124

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 2121

Q:

If the cost price of an article is Rs x . It is marked up by 100%. It is sold at Rs 1,200 after giving 20% discount. What is value of x?

A) 750	B) 1500
C) 1000	D) 2000

Answer & Explanation Answer: A) 750

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

0 2121

Q:

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

√(3099.985 ÷ 62.001 + 14.001) = ?

A) 8	B) 13
C) 18	D) 23

Answer & Explanation Answer: A) 8

Explanation:

Ans.
√(3100 ÷ 62 + 14) = ?
√(50 + 14) = ?
√64 = ?
? = 8

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , GATE

0 2121

Q:

The area of a circle is 346.5 cm2. Find its circumference (in cm).

A) 132	B) 38
C) 66	D) 76

Answer & Explanation Answer: C) 66

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

1 2120

Q:

Consider the figure shown below which consists of the triangle ABC which touches the circle with centre at O. Which of the following options is CORRECT?

A) AB – CQ = AC + BQ	B) AB + CQ = AC + BQ
C) AB + CQ = AC – BQ	D) None of the above

Answer & Explanation Answer: B) AB + CQ = AC + BQ

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 2120

Q:

Both S.I. and C.I. is calculated with a similar rate of 10% per annum on a sum of rupees. If C.I. is calculated yearly for two years, then for what period must S.I. be evaluated such that S.I. = C.I.?

A) 4.2 years	B) 2.1 years
C) 1.1 years	D) 1.4 years

Answer & Explanation Answer: B) 2.1 years

Explanation:

Let time period of S.I. be T years.

Then for a principal amount, say P,

ATQ, as, S.I. = C.I. for rate =10%p.a. and

time for C.I. = 2(P x 10 x T)/100 = P{[ (100+10)/100 ]2-1}T/10 = [ 110/100 ]2–1 = [(11/10)2–1] = (121-100)/100T/10 = 21/100T = 21/10 = 2.1 years

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

1 2120

Q:

Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:

A) 15	B) 16
C) 18	D) 25

Answer & Explanation Answer: B) 16

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

1 2119

Q:

The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?

A) 3/4	B) 4/3
C) 5/4	D) 4/5

Quantitative Aptitude - Arithmetic Ability Questions

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