An electronics store allows successive discounts of 15% and 20% on a laptop marked at Rs. 60,000. If the store still makes a 20% profit, what is the cost price? MCQ with Answer and Explanation

Question

An electronics store allows successive discounts of 15% and 20% on a laptop marked at Rs. 60,000. If the store still makes a 20% profit, what is the cost price?

A. Rs. 32000

B. Rs. 36000

C. Rs. 40000

D. Rs. 34000

Answer: Option D

Solution (By JKSSB Mock Tests)

Marked Price = 60000. Price after 15% discount = 51000. Price after further 20% discount = 51000 * 0.80 = 40800. Selling Price = 40800. Profit = 20%. Cost Price = 40800 / 1.20 = 34000.

This question belongs to: Maths Profit And Loss

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Question #1

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

A. 42%

B. 45%

C. 44%

D. 40%

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Correct Answer: Option C

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

Question #2

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By selling an umbrella for Rs. 300, a shopkeeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percentage during the sale season is:

A. 7.5%

B. 7%

C. 8%

D. 9%

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Correct Answer: Option C

Explanation:
Marked Price = 300. Original SP = 300. Profit = 20%, so CP = 300 / 1.2 = 250. Discount during sale = 10% on MP. New SP = 300 - 30 = 270. Profit = 270 - 250 = 20. Profit % = (20 / 250) * 100 = 8%.

This question belongs to: Maths Profit And Loss