Mental Maths Class 9 Comparing Quantities

Asked by GIANSH GUPTA KHUNDKER · BIRLA BRAINIACS

A trader marks goods 25% above cost price and gives 10% discount. Find the profit percentage.

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Answer: B. 12.5%

Let CP = 100. Marked price = 125. After a 10% discount, SP = 125 - 12.5 = 112.5. Profit = 12.5 on 100, so profit = 12.5%.

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