A reduction of 20% in the price of sugar enables a person to buy 5 kg more for Rs. 400. What is the original price per kg? MCQ with Answer and Explanation

Question

A reduction of 20% in the price of sugar enables a person to buy 5 kg more for Rs. 400. What is the original price per kg?

A. Rs. 16

B. Rs. 25

C. Rs. 20

D. Rs. 15

Answer: Option C

Solution (By JKSSB Mock Tests)

Let original price = P. Reduced price = 0.8P. (400 / 0.8P) - (400 / P) = 5. (500 / P) - (400 / P) = 5. 100 / P = 5. P = 20.

This question belongs to: Maths Profit And Loss

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Question #1

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A man sells a book for Rs. 190, losing 5%. What is the cost price?

A. Rs. 200

B. Rs. 210

C. Rs. 205

D. Rs. 195

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Correct Answer: Option A

Explanation:
SP = 95% of CP => CP = 190 / 0.95 = 200.

This question belongs to: Maths Profit And Loss

Question #2

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If the selling price of 9 articles is equal to the cost price of 10 articles, find the gain percent.

A. 12%

B. 11.11%

C. 10%

D. 15%

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Correct Answer: Option B

Explanation:
Let CP of 1 = 1. CP of 10 = 10, SP of 9 = 10 => SP of 1 = 10/9 = 1.111, gain = 11.11%.

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Question #3

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The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make a 25% profit?

A. Rs. 2500

B. Rs. 2000

C. Rs. 2200

D. Rs. 2400

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Correct Answer: Option B

Explanation:
Cost Price = (1920 + 1280) / 2 = 3200 / 2 = 1600. Desired Selling Price for 25% profit = 1600 * 1.25 = 2000.

This question belongs to: Maths Profit And Loss

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