A shopkeeper bought sugar at a price of Rs. 40 per kg and is selling at a price of Rs. 50 per kg. When a customer bought 6 kg of sugar, usi… — Answer & Discussion

A shopkeeper bought sugar at a price of Rs. 40 per kg and is selling at a price of Rs. 50 per kg. When a customer bought 6 kg of sugar, using faulty weights he gave him only 5.4 kg of sugar. What is his total profit percentage?

A31.11%
B36.59%
C38.89%
D34.25%

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Discussion 1

CCommunity21 Jun 2019

Cost price of sugar = Rs. 40 per kg

Selling price of sugar = Rs. 50 per kg

Profit percentage due to price = [(50 – 40)/40] × 100 = 25%

Profit percentage due to false weight = [error/(true weight – error)] × 100 = (0.6/5.4) × 100 = 11.11%

∴ Total profit percentage = 25 + 11.11 + (25 × 11.11)/100 = 36.11 + 2.78 = 38.89%