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

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. 20%
D. 18%
Answer: Option C
Solution (By JKExamLibrary)
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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Practice More Profit And Loss Questions

Question #1 Report Error
If the selling price of an article is Rs. 420 and the profit is 5%, find the cost price.
A. Rs. 410
B. Rs. 400
C. Rs. 420
D. Rs. 390

Correct Answer: Option B


Explanation:
CP = 420/1.05 = 400.

This question belongs to: Maths Profit And Loss
Question #2 Report Error
A man buys 4 kg of apples for Rs. 160 and sells them at Rs. 50 per kg. What is the profit percentage?
A. 25%
B. 15%
C. 20%
D. 30%

Correct Answer: Option A


Explanation:
CP per kg = 160/4 = 40, SP = 50, profit = 10, profit% = 10/40*100 = 25%.

This question belongs to: Maths Profit And Loss
Question #3 Report Error
The cost price of 12 articles is equal to the selling price of 9 articles. Find the gain percent.
A. 30%
B. 33.33%
C. 20%
D. 25%

Correct Answer: Option B


Explanation:
Let CP of 1 = 1, CP of 12 = 12, SP of 9 = 12 => SP of 1 = 12/9 = 4/3 = 1.333, gain=33.33%.

This question belongs to: Maths Profit And Loss