Successive discounts of 20% and 15% are equal to a single equivalent discount of what percentage? MCQ with Answer and Explanation

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Successive discounts of 20% and 15% are equal to a single equivalent discount of what percentage?

A. 32%

B. 35%

C. 30%

D. 33%

Answer: Option A

Solution (By JKSSB Mock Tests)

Equivalent discount = A + B - (A * B) / 100. So, 20 + 15 - (20 * 15) / 100 = 35 - 300 / 100 = 35 - 3 = 32%.

This question belongs to: Maths Profit And Loss

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Question #1

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An article was sold at a loss of 10%. If it was sold at Rs. 90 more, there would have been a gain of 5%. Find the cost price.

A. Rs. 600

B. Rs. 650

C. Rs. 500

D. Rs. 550

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Correct Answer: Option A

Explanation:
Let CP = x. SP1 = 0.9x, SP2 = 1.05x. Difference = 0.15x = 90 => x = 600.

This question belongs to: Maths Profit And Loss

Question #2

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A dealer sells a TV for Rs. 13500, losing 10%. Find the cost price.

A. Rs. 15000

B. Rs. 15500

C. Rs. 14000

D. Rs. 14500

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Correct Answer: Option A

Explanation:
SP = 90% of CP => CP = 13500 / 0.9 = 15000.

This question belongs to: Maths Profit And Loss

Question #3

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A man buys a watch for Rs. 1200 and sells it at a profit of 25%. What is the selling price of the watch?

A. Rs. 1600

B. Rs. 1400

C. Rs. 1500

D. Rs. 1450

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Correct Answer: Option C

Explanation:
Profit = 25% of 1200 = 300. Selling Price = Cost Price + Profit = 1200 + 300 = Rs. 1500.

This question belongs to: Maths Profit And Loss

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