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. 42%

C. 45%

D. 37%

Answer: Option D

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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A vendor sells oranges at Rs. 60 per dozen and makes a profit of 20%. What is the cost price per dozen?

A. Rs. 50

B. Rs. 48

C. Rs. 52

D. Rs. 45

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Correct Answer: Option A

Explanation:
SP = 1.2 CP => CP = 60/1.2 = 50.

This question belongs to: Maths Profit And Loss

Question #2

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A shopkeeper buys a bag for Rs. 240 and sells it at a loss of 15%. What is the selling price?

A. Rs. 216

B. Rs. 198

C. Rs. 204

D. Rs. 210

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Correct Answer: Option C

Explanation:
Loss = 15% of 240 = 36, SP = 240 - 36 = 204.

This question belongs to: Maths Profit And Loss

Question #3

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A person buys a shirt for Rs. 500 and sells it for Rs. 400. What is the loss percentage?

A. 15%

B. 30%

C. 20%

D. 25%

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Correct Answer: Option C

Explanation:
Loss = 100, loss% = 100/500*100 = 20%.

This question belongs to: Maths Profit And Loss

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