Question
A vendor claims to sell sugar at cost price but uses a
faulty scale that shows only 900 grams as 1 kg. What is the approximate profit percentage he earns?Solution
ATQ,
Let the cost price of 1 gm sugar be Rs. n. Selling price of 1 kg sugar = Rs. 1000n Cost price of 900 gm sugar = Rs. 900n Profit earned = 1000n - 900n = 100n Required profit percentage = (100n / 900n) × 100 ≈ 11.11%
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