Question
A shopkeeper marked an article Rs. 800 above its cost
price and sold it after giving a discount of 22% and earned a profit of 30%. Find the cost price of the articleSolution
Let cost price of the article is Rs. 100x So, 1.30 × 100x = 0.78 × (100x + 800) Or, 130x = 78x + 624 Or, 52x = 624 Or, x = 12 Cost price of the article = 100 × 12 = Rs. 1200
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