6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find the circumference (in cm) of a circle of radius 10.5 cm

A) 84	B) 35
C) 70	D) 66

Answer & Explanation Answer: D) 66

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Filed Under: Area
Exam Prep: Bank Exams

0 1871

Q:

The ratio of the amount of work done by (x-1) labours in (x+1) days and that done by (x+1) labours in (x+2) days is 5 : 6. Then the value of x is

A) 16	B) 15
C) 17	D) 14

Answer & Explanation Answer: A) 16

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 1870

Q:

If $\frac{1}{1 + \frac{1}{1 + \frac{1}{1 + \frac{1}{x}}}}$ = $\frac{5}{8}$ , then what is the value of x?

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

Answer & Explanation Answer: A) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1870

Q:

Compound interest on a certain sum for 2 years at the rate of 11% per annum is Rs 1160.5. What will be the simple interest (in Rs) for the same

amount at the same rate of interest for 2 years?

A) 9000	B) 1000
C) 1100	D) 1050

Answer & Explanation Answer: C) 1100

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Filed Under: Compound Interest
Exam Prep: Bank Exams

2 1870

Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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

0 1870

Q:

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13	B) 5/13
C) 5/12	D) 1/5

Answer & Explanation Answer: B) 5/13

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

0 1870

Q:

7/15 of 5/3 of a number is greater than 7/9 of 3/5 of the same number by 9. Find the quadruple of the number.

A) 115.72	B) 114.72
C) 113.72	D) 112.72

Answer & Explanation Answer: A) 115.72

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams , CAT

0 1870

Q:

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

A) 20 days	B) 20 days
C) 40 days	D) 10 days

Quantitative Aptitude - Arithmetic Ability Questions

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