6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Ganesh, Ram and Sohan together can complete a work in 16 days. If Ganesh and Ram together can complete the same work in 24 days. The number of days Sohan alone takes, to finish the work is

A) 40	B) 48
C) 32	D) 30

Answer & Explanation Answer: B) 48

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Selling price of an article is Rs 494 and discount of 5% is offered. What is the marked price (in Rs)?

A) 524.5	B) 587
C) 520	D) 540

Answer & Explanation Answer: C) 520

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

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Q:

What is the value of the expression $a^{3} - 5 + \frac{28}{16 a}$ , when a = 2?

A) 2	B) 5
C) 7	D) 8

Answer & Explanation Answer: C) 7

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Q:

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

A) 50√5	B) 100
C) 75√7	D) 175

Answer & Explanation Answer: C) 75√7

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If a:b = 3:8, find the value of (5a 3b)/(2a + b).

A) 9/14	B) 14/9
C) -9/14	D) -14/9

Answer & Explanation Answer: C) -9/14

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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

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If by selling an article for Rs. 390 a shopkeeper gains 20% , then the cost is

A) Rs. 370	B) Rs. 325
C) Rs. 350	D) Rs. 300

Quantitative Aptitude - Arithmetic Ability Questions

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