6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A fraction is greater than its reciprocal by 9/20. What is the fraction?

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

Answer & Explanation Answer: A) 5/4

Explanation:

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

6 1720

Q:

If a+b=3 then the value of $a^{3} + b^{3} + 9 ab - 27$ is

A) 24	B) 25
C) 0	D) 27

Answer & Explanation Answer: C) 0

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 1719

Q:

10+10(9) =

A) 180	B) 110
C) 100	D) 19

Answer & Explanation Answer: C) 100

Explanation:

According to BODMAS Rule,

10 + 10(9)

= 10 + 90

= 100

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 1718

Q:

What is the HCF (highest common factor) of 57 and 513?

A) 10	B) 57
C) 3	D) 27

Answer & Explanation Answer: B) 57

Explanation:

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

9 1717

Q:

A 12 m long wire is cut into two pieces, one of which is bent into a circle and the other into a square enclosing the circle. What is the radius of the circle?

A) 12/π+4	B) 6/π+4
C) 3/π+4	D) 6/π+2√2

Answer & Explanation Answer: B) 6/π+4

Explanation:

As it is clear that 2r = a where a is the side of the square and

R is the radius of circle

It is given that 2πr + 4a = 12

a = 12/(π+4)

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Filed Under: Simplification
Exam Prep: Bank Exams

1 1717

Q:

What number should be added to each of the numbers 35, 115, 53 and 165, so that the resulting numbers are in continued proportion?

A) 10	B) 12
C) 8	D) 6

Answer & Explanation Answer: A) 10

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 1717

Q:

A, B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together?

A) 16/3	B) 15/4
C) 17/3	D) 19/4

Answer & Explanation Answer: A) 16/3

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

0 1717

Q:

Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?

A) 9.6%	B) 2.4%
C) 7.2%	D) 12%

Quantitative Aptitude - Arithmetic Ability Questions

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