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    Question

    By selling an article for Rs. 540, a shopkeeper gains

    20%. Find the cost price of the article.
    A 550 Correct Answer Incorrect Answer
    B 320 Correct Answer Incorrect Answer
    C 450 Correct Answer Incorrect Answer
    D 770 Correct Answer Incorrect Answer

    Solution

    Let CP = x SP = x × (1 + 20/100) = 1.20x 1.20x = 540 ⇒ x = 540 / 1.20 = 450

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