Question
A shopkeeper marked an article Rs. 700 above its cost
price and sold it after giving a discount of 20% 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 = 0.80 × (100x + 700) Or, 130x = 80x + 560 Or, 50x = 560 Or, x = 11.2 Cost price of the article = 100 × 11.2 = Rs. 1120
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