A man sells a watch for Rs. 720, gaining 20%. What is the cost price? MCQ with Answer and Explanation

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A man sells a watch for Rs. 720, gaining 20%. What is the cost price?

A. Rs. 640

B. Rs. 680

C. Rs. 600

D. Rs. 560

Answer: Option C

Solution (By JKSSB Mock Tests)

CP = 720 / 1.20 = 600.

This question belongs to: Maths Profit And Loss

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Question #1

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A man sells an article at a profit of 25%. If he had bought it at 20% less and sold it for Rs. 10 less, he would have gained 30%. Find the cost price of the article.

A. Rs. 180

B. Rs. 250

C. Rs. 220

D. Rs. 200

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Correct Answer: Option D

This question belongs to: Maths Profit And Loss

Question #2

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A boy buys 12 pencils for Rs. 10 and sells 10 pencils for Rs. 12. Find his gain percentage.

A. 44%

B. 45%

C. 42%

D. 40%

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Correct Answer: Option A

Explanation:
Cost Price of 1 pencil = 10 / 12 = 5 / 6. Selling Price of 1 pencil = 12 / 10 = 6 / 5. Profit = (6 / 5) - (5 / 6) = (36 - 25) / 30 = 11 / 30. Profit percentage = ((11 / 30) / (5 / 6)) * 100 = (11 / 25) * 100 = 44%.

This question belongs to: Maths Profit And Loss