Question

    A shopkeeper sells an article for Rs 220 and

    earns thrice the profit that he would have earned on selling this article for Rs 150. Find the C.P of this article (in Rs).
    A 115 Correct Answer Incorrect Answer
    B 105 Correct Answer Incorrect Answer
    C 112 Correct Answer Incorrect Answer
    D 113 Correct Answer Incorrect Answer

    Solution

    ATQ, the shopkeeper earns the thrice profit that he would have earned had he sold it for Rs 150.
    Profit% = 3 (profit %)
    S.P - C.P = 3 x (S.P - C.P)
    Let C.P = x
    220 - x = 3 x (150 - x)
    220 - x = 450 - 3x
    2x= 450 - 220
    x= 115
    Hence, the cost price of the article = 115

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