A shopkeeper professes to sell at cost price but uses a 950g weight for 1kg. Find his profit percentage. MCQ with Answer and Explanation

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A shopkeeper professes to sell at cost price but uses a 950g weight for 1kg. Find his profit percentage.

A. 5.5%

B. 5.26%

C. 5%

D. 6%

Answer: Option B

Solution (By JKSSB Mock Tests)

Error = 50g. Profit % = (50 / 950) * 100 = 100 / 19 = 5.26%.

This question belongs to: Maths Profit And Loss

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Question #1

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A man sells an article for Rs. 900, gaining 12.5%. Find the cost price.

A. Rs. 840

B. Rs. 800

C. Rs. 780

D. Rs. 820

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Correct Answer: Option B

Explanation:
CP = 900 / 1.125 = 800.

This question belongs to: Maths Profit And Loss

Question #2

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If the cost price of 20 articles is equal to the selling price of 16 articles, what is the profit percentage?

A. 33.33%

B. 30%

C. 25%

D. 20%

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Correct Answer: Option C

Explanation:
Let Cost Price of 1 article = 1. Cost Price of 16 articles = 16. Selling Price of 16 articles = Cost Price of 20 articles = 20. Profit = 20 - 16 = 4. Profit percentage = (4 / 16) * 100 = 25%.

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Question #3

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If the selling price of an item becomes half, the loss becomes three times the initial loss. What was the initial loss percentage?

A. 20%

B. 15%

C. 30%

D. 25%

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Correct Answer: Option A

Explanation:
Let Cost Price = 100 and initial Selling Price = x. Initial loss = 100 - x. New Selling Price = x / 2. New loss = 100 - (x / 2). 100 - (x / 2) = 3 * (100 - x). 100 - 0.5x = 300 - 3x. 2.5x = 200. x = 80. Initial loss = 100 - 80 = 20. Loss percentage = 20%.

This question belongs to: Maths Profit And Loss

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