Question
A shopkeeper sells an article for Rs 120 and
earns thrice the profit that he would have earned on selling this article for Rs 67. Find the C.P of this article (in Rs).Solution
ATQ, the shopkeeper earns the thrice profit that he would have earned had he sold it for Rs 67.
Profit% = 3 (profit %)
S.P - C.P = 3 x (S.P - C.P)
Let C.P = x
120 - x = 3 x (67 - x)
120 - x = 201 - 3x
2x= 201 - 120
x= 40.5
Hence, the cost price of the article = 40.5
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