By selling 20 meters of wire, a man gains the cost price of 4 meters. Find his profit percentage. MCQ with Answer and Explanation

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By selling 20 meters of wire, a man gains the cost price of 4 meters. Find his profit percentage.

A. 15%

B. 30%

C. 25%

D. 20%

Answer: Option D

Solution (By JKSSB Mock Tests)

Let CP of 1 meter = 1. CP of 20 meters = 20. Profit = CP of 4 meters = 4. Profit % = (4/20) * 100 = 20%.

This question belongs to: Maths Profit And Loss

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Question #1

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A shopkeeper sells a transistor at 15% above its cost price. If he had bought it at 5% more than what he paid for it and sold it for Rs. 6 more, he would have gained 10%. Find the cost price of the transistor.

A. Rs. 1200

B. Rs. 600

C. Rs. 1000

D. Rs. 800

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Correct Answer: Option A

Explanation:
Let initial Cost Price = 100x. Initial Selling Price = 115x. New Cost Price = 105x. New Selling Price = 105x * 1.10 = 115.5x. Difference in Selling Price = 115.5x - 115x = 0.5x. 0.5x = 6. x = 12. Cost Price = 100 * 12 = 1200.

This question belongs to: Maths Profit And Loss