Question
A shopkeeper marked an article Rs. 900 above its cost
price and sold it after giving a discount of 20% and earned a profit of 25%. Find the cost price of the articleSolution
Let cost price of the article is Rs. 100x So, 1.25 × 100x = 0.8 × (100x + 900) Or, 125x = 80x + 720 Or, 45x = 720 Or, x = 16 Cost price of the article = 100 × 16 = Rs. 1600
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