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 trader allows a discount of 30% on the marked price and still makes a profit of 20%. If the cost price is Rs. 600, find the marked price.

A. Rs. 1100

B. Rs. 950

C. Rs. 1028.57

D. Rs. 1000

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Correct Answer: Option C

This question belongs to: Maths Profit And Loss

Question #2

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A shopkeeper allows a 10% discount on the marked price of a camera. If the camera costs him Rs. 600, what should be the marked price to make a profit of 20%?

A. Rs. 750

B. Rs. 800

C. Rs. 900

D. Rs. 850

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Correct Answer: Option B

Explanation:
Cost Price = 600. Target Selling Price for 20% profit = 600 * 1.20 = 720. Marked Price * 0.90 = 720. Marked Price = 720 / 0.90 = 800.

This question belongs to: Maths Profit And Loss