Question
A shopkeeper marked an article 60% above its cost price
and made a profit of Rs. 420 when he sold the article after giving a discount of 20%. Find the profit percent earned by the shopkeeper if he had sold the article for Rs. 2400.Solution
Let cost price of the article is Rs. ‘x’ So, Selling price of the article = 0.8 × 1.6 × x = Rs. 1.28x According to question; 1.28x – x = 420 Or, 0.28x = 420 Or, x = 1500 Desired Percentage = [(2400 – 1500)/1500] × 100 = 60%
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