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. 22%

B. 15%

C. 18%

D. 20%

Answer: Option D

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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A trader buys two horses for Rs. 19500. He sells one at a 20% loss and the other at a 15% profit. If the selling price of both horses is the same, find the cost price of the horse sold at a loss.

A. Rs. 8000

B. Rs. 9500

C. Rs. 11500

D. Rs. 10000

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Correct Answer: Option C

Explanation:
Let Cost Price 1 = C1 and Cost Price 2 = C2. C1 * 0.80 = C2 * 1.15. C1 / C2 = 1.15 / 0.80 = 115 / 80 = 23 / 16. Total parts = 39. C1 = (23 / 39) * 19500 = 11500.

This question belongs to: Maths Profit And Loss