A merchant mixes 40 kg of rice at Rs. 20/kg with 60 kg of rice at Rs. 30/kg. He sells the mixture at Rs. 31.20/kg. What is his profit percentage? MCQ with Answer and Explanation

Question

A merchant mixes 40 kg of rice at Rs. 20/kg with 60 kg of rice at Rs. 30/kg. He sells the mixture at Rs. 31.20/kg. What is his profit percentage?

A. 15%

B. 20%

C. 22%

D. 18%

Answer: Option B

Solution (By JKSSB Mock Tests)

Total Cost = (40 * 20) + (60 * 30) = 800 + 1800 = 2600. Total Selling Price = 100 * 31.20 = 3120. Profit = 3120 - 2600 = 520. Profit percentage = (520 / 2600) * 100 = 20%.

This question belongs to: Maths Profit And Loss

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Question #1

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A person sells an item for Rs. 540, gaining 12.5%. Find the cost price.

A. Rs. 520

B. Rs. 500

C. Rs. 460

D. Rs. 480

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Correct Answer: Option D

Explanation:
CP = 540 / 1.125 = 480.

This question belongs to: Maths Profit And Loss

Question #2

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A trader marks his goods 30% above cost and gives a discount of 15%. What is his profit percent?

A. 9%

B. 15%

C. 10.5%

D. 12%

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Correct Answer: Option C

Explanation:
Let CP = 100. MP = 130. SP = 130 * 0.85 = 110.5. Profit = 10.5%.

This question belongs to: Maths Profit And Loss

Question #3

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The cost price of 5 pens is equal to the selling price of 4 pens. Find the profit percentage.

A. 30%

B. 20%

C. 33.33%

D. 25%

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Correct Answer: Option D

Explanation:
Let the cost price of 1 pen be CP and selling price of 1 pen be SP. Given 5 * CP = 4 * SP, so SP / CP = 5 / 4. Profit = SP - CP = 5 - 4 = 1 unit. Profit Percentage = (1 / 4) * 100 = 25%.

This question belongs to: Maths Profit And Loss

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