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    Question

    The cost price of an article is Rs. (4n + 90). It is

    marked 25% above its cost price and sold after allowing a discount of Rs. 150. If the selling price of the article is Rs. 1,950, then find the cost price of the article.
    A Rs.1680 Correct Answer Incorrect Answer
    B Rs.2210 Correct Answer Incorrect Answer
    C Rs.1520 Correct Answer Incorrect Answer
    D Rs.1100 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Marked price of article = 1.25 × (4n + 90) = Rs. (5n + 112.5)
    Selling price of article = 5n + 112.5 − 150 = Rs. (5n − 37.5)
    So, 5n − 37.5 = 1,950
    Or, 5n = 1,987.5
    Or, n = 397.5
    Therefore, cost price of article = 4 × 397.5 + 90 = Rs. 1,680

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