Question
A shopkeeper sells an article for Rs 350 and earns twice
the profit that he would have earned on selling this article for Rs 300. Find the C.P of this article (in Rs).Solution
ATQ, the shopkeeper earns the twice profit that he would have earned had he sold it for Rs 300. Profit% = 2 (profit %) S.P - C.P = 2 x (S.P - C.P) Let C.P = x 350 - x = 2 x (300 - x) 350 - x = 600 - 2x x= 600 - 350 x= 250 Hence, the cost price of the article = 250
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