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    Question

    An article was purchased for Rs. (20n + 400). It was

    labeled 30% higher than its cost and sold after applying a discount of Rs. (2n + 50). If the seller makes a profit of Rs. 950, what is the value of ‘n’?
    A 220 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 = 1.3 × (20n + 400) = Rs. (26n + 520)

    Selling price = (26n + 520) - (2n + 50) = Rs. (24n + 470)

    Profit = (24n + 470) - (20n + 400) = Rs. (4n + 70)

    So, 4n + 70 = 950

    Or, 4n = 880

    Or, n = 220

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