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    Question

    The cost price of a product is Rs. (10n + 200). It is

    marked 30% above its cost price and sold after allowing a discount of Rs. (2n + 20). If the profit earned is Rs. 980, then find the value of 'n'.
    A 940 Correct Answer Incorrect Answer
    B 560 Correct Answer Incorrect Answer
    C 700 Correct Answer Incorrect Answer
    D 885 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Marked price = 1.3 ├Ч (10n + 200) = Rs. (13n + 260)

    Selling price = (13n + 260) - (2n + 20) = Rs. (11n + 240)

    Profit = (11n + 240) - (10n + 200) = Rs. (n + 40)

    So, n + 40 = 980

    Or, n = 940

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