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    Question

    Cost price of an item is Rs. (12n + 240). It is marked 50%

    above its cost price and sold after allowing a discount of Rs. (2n + 40). If the profit earned is Rs. 1,360, then find the value of 'n'.
    A 320 Correct Answer Incorrect Answer
    B 260 Correct Answer Incorrect Answer
    C 300 Correct Answer Incorrect Answer
    D 185 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Marked price of item = 1.5 × (12n + 240) = Rs. (18n + 360)

    Selling price of item = (18n + 360) - (2n + 40) = Rs. (16n + 320)

    Profit earned = (16n + 320) - (12n + 240) = Rs. (4n + 80)

    So, 4n + 80 = 1,360

    Or, 4n = 1,280

    Or, 'n' = 320

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