A sweet seller declares that he sells sweets at the cost price. However, he uses a weight of 800 gm for 1 kg. His profit percentage is
Explanation:
1 kg = 1000 gm
Used weight = 800 gm
Error = 200 gm
% profit = (200/800×100) = 25%
Alternately,
Let the CP = SP = Rs. 1/gm
He buys 800 gms and while selling quotes it as 1000 gms.
Total cost price = 800 × 1 = Rs. 800
Total selling price = 1000 × 1 = Rs. 1000
∴ Profit % = (1000 - 800)/800 × 100 = 25%
Hence, option (b).
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