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    Question

    A person 'P' bought ‘x’ kg of rice for Rs. 20 per kg

    and mixed it with 30 kg of rice bought at Rs. (x + 10) per kg. If cost price of the mixture is Rs. 25 per kg then find the selling price of all of the mixture if he wants to make a profit of 32%.
    A Rs.2584 Correct Answer Incorrect Answer
    B Rs.1084 Correct Answer Incorrect Answer
    C Rs.1584 Correct Answer Incorrect Answer
    D Rs.1500 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ;
    x × 20 + 30 × (x + 10) = (30 + x) × 25
    Or, 20x + 30x + 300 = 750 + 25x

    Or, 25x = 450

    Or, x = 18

    Total quantity of mixture = x + 30 = 18 + 30 = 48

    Desired selling price = 1.32 × 48 × 25 = Rs.1584

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