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    Question

    A shopkeeper adds 40% to the cost price of a chair and

    sells it after offering a 25% discount on the marked price. If the chair is sold for Rs. 2,100, find the profit he earns.
    A Rs.760 Correct Answer Incorrect Answer
    B Rs.610 Correct Answer Incorrect Answer
    C Rs.540 Correct Answer Incorrect Answer
    D Rs.840 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the cost price of chair be Rs. '100b'

    Marked price = 1.40 × 100b = Rs. '140b'

    Selling price = 0.75 × 140b = Rs. '105b'

    So, 105b = 2,100

    Or, b = 20

    Therefore, required profit = 5 × 20 = Rs. 100

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