Successive discounts of 30% and 10% are equivalent to a single discount of: MCQ with Answer and Explanation

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Successive discounts of 30% and 10% are equivalent to a single discount of:

A. 40%

B. 37%

C. 45%

D. 42%

Answer: Option B

Solution (By JKSSB Mock Tests)

Equivalent discount = A + B - (AB/100) = 30 + 10 - (300/100) = 40 - 3 = 37%.

This question belongs to: Maths Profit And Loss

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Question #1

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If the cost price of an article is Rs. 660 and it is sold at a loss of 10%, what is the selling price?

A. Rs. 600

B. Rs. 594

C. Rs. 580

D. Rs. 610

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Correct Answer: Option B

Explanation:
Loss = 10% of 660 = 66, SP = 660 - 66 = 594.

This question belongs to: Maths Profit And Loss

Question #2

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A shopkeeper buys a product for Rs. 400 and sells it for Rs. 480. What is the profit percentage?

A. 20%

B. 18%

C. 15%

D. 25%

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Correct Answer: Option A

Explanation:
Profit = 480 - 400 = 80. Profit% = (80/400)*100 = 20%.

This question belongs to: Maths Profit And Loss

Question #3

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A man sold two items for Rs. 10000 each. On the first item, he gained 25%. On the second item, he lost 20%. Find his total profit or loss amount in Rupees.

A. Profit Rs. 1000

B. Loss Rs. 500

C. Loss Rs. 1000

D. Profit Rs. 500

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Correct Answer: Option B

Explanation:
SP1 = 10000, Profit = 25%, CP1 = 10000 / 1.25 = 8000. SP2 = 10000, Loss = 20%, CP2 = 10000 / 0.80 = 12500. Total CP = 8000 + 12500 = 20500. Total SP = 10000 + 10000 = 20000. Total Loss = Total CP - Total SP = 20500 - 20000 = Rs. 500.

This question belongs to: Maths Profit And Loss

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