A shopkeeper gives 1 article free on the purchase of every 4 articles. He also allows an additional discount of 20%. Find his total net discount percentage. MCQ with Answer and Explanation

Question

A shopkeeper gives 1 article free on the purchase of every 4 articles. He also allows an additional discount of 20%. Find his total net discount percentage.

A. 44%

B. 45%

C. 40%

D. 36%

Answer: Option D

Solution (By JKSSB Mock Tests)

Customer gets 5 articles but pays for 4. Discount from free item = (1/5) * 100 = 20%. Two successive discounts of 20% and 20%. Equivalent discount = 20 + 20 - (400/100) = 36%.

This question belongs to: Maths Profit And Loss

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A shopkeeper allows 25% discount on the marked price of an article and suffers a loss of 15%. What will be his profit or loss percentage if he sells the article at marked price?

A. 13.33% Profit

B. 10% Profit

C. 11.5% Profit

D. 15% Profit

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Correct Answer: Option A

Explanation:
Let Marked Price (MP) = 100. SP = 75. Loss = 15%, so SP = 0.85 * CP. 0.85 * CP = 75. CP = 75 / 0.85 = 1500 / 17. If sold at MP (100), Profit = 100 - (1500/17) = 200/17. Profit % = ((200/17) / (1500/17)) * 100 = (200/1500) * 100 = 13.33%.

This question belongs to: Maths Profit And Loss