Question
A shopkeeper marked an article Rs. 640 above its cost
price and sold it after giving a discount of 25% and earned a profit of 35%. Find the cost price of the articleSolution
Let cost price of the article is Rs. 100x So, 1.35 × 100x = 0.75 × (100x + 640) Or, 135x = 75x + 480 Or, 60x = 480 Or, x = 8 Cost price of the article = 100 × 8 = Rs. 800
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