A trader bought an article for Rs. 1800 and marked it 20% above of its cost price. If he sold it after giving a discount of Rs. 180 then find the profit percent earned by him.
Marked price of the article = 1800 × 1.20 = Rs. 2160 Selling price = 2160 – 180 = Rs. 1980 Profit percentage = [(1980 – 1800)/1800] × 100 = 10%
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