6500+ Quantitative Aptitude Questions and Answers With Explanation

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:

Some carpenters promised to do a job in 15 days but 3 of them were absent and remaining did the job in 20 days. What was the original number of carpenters?

A) 10	B) 15
C) 12	D) 14

Answer & Explanation Answer: C) 12

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If $a^{3} + b^{3} = 35$ and ab = 6, then what is the value of a + b?

A) 5	B) 8
C) 2	D) -8

Answer & Explanation Answer: A) 5

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) XAD	B) PRU
C) JLO	D) ACF

Answer & Explanation Answer: A) XAD

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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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

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Q:

If 7x + 6y = 5xy and 10x - 4y = 4xy, then value of x and y is

A) 3, 2	B) 2, 3
C) 4, 2	D) 5, 6

Answer & Explanation Answer: C) 4, 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If three numbers are in the ratio 2 : 3 : 5 and the twice their sum is 100. Find the square of the largest of the three numbers.

A) 225	B) 625
C) 25	D) 100

Answer & Explanation Answer: B) 625

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

A) 7.5%	B) 7%
C) 6%	D) 6.5%

Quantitative Aptitude - Arithmetic Ability Questions

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