6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If cotA + cotB = x, then value of x is

A) (cotAcotB + 1)/(cotB - cotA)	B) (cotAcotB + 1)/(cotB + cotA)
C) (cotAcotB - 1)/(cotB + cotA)	D) (cotAcotB - 1)/(cotB - cotA)

Answer & Explanation Answer: C) (cotAcotB - 1)/(cotB + cotA)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A shopkeeper by selling 17 Omega watches, earns a profit equal to the selling price of 7 Omega watches. What is his profit percentage?

A) 41.1 percent	B) 82.2 percent
C) 70 percent	D) 12.2 percent

Answer & Explanation Answer: C) 70 percent

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 2182

Q:

If the selling price of 40 articles is equal to the cost price of 50 articles, the loss or gain percent is

A) 25% gain	B) 20% gain
C) 25% loss	D) 20% loss

Answer & Explanation Answer: A) 25% gain

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 2181

Q:

Pipes A and B can fill a cistern in 15 hours together. But ifthese pipes operate separately A takes 40 hours less than Bto fill the tank. In how many hours the pipe A will fill thecistern working alone?

A) 60	B) 20
C) 40	D) 15

Answer & Explanation Answer: B) 20

Explanation:

Let A takes x hours, then B = (x+40) hours

1/x + 1/x+40 = 1/15

x = 20

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Filed Under: Pipes and Cistern

5 2181

Q:

If Rs 25,000 is to be divided between A, B and C in the ratio 1/10 : 1/6 : 1/15, then how much will C get (in Rs)?

A) 5000	B) 7500
C) 10000	D) 12500

Answer & Explanation Answer: A) 5000

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 2181

Q:

Ticket for an adult is Rs 1600 and a child is Rs 1200. 1 child goes free with two adults. If a group has 23 adults and 10 children what is the discount the group gets?

A) 25.95 percent	B) 24.59 percent
C) 25.77 percent	D) 31.60 percent

Answer & Explanation Answer: B) 24.59 percent

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

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Q:

What is the value of cosec 11π/6?

A) -2/√3	B) √2
C) -2	D) -√2

Answer & Explanation Answer: C) -2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2179

Q:

How many pairs (A, B) are possible in the number 479865AB if the number is divisible by 9 and it is given that the last digit of the number is odd?

A) 5	B) 6
C) 9	D) 11

Quantitative Aptitude - Arithmetic Ability Questions

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