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    Question

    How much soda should be mixed with 20 kg of sugar cost

    Rs.30/kg so that a gain of 20% can be made after selling the mixture at Rs.24/kg?
    A 18 kg Correct Answer Incorrect Answer
    B 25 kg Correct Answer Incorrect Answer
    C 12 kg Correct Answer Incorrect Answer
    D 10 kg Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Gain percentage = 20% CP of the mixture = [24 × (100/120)] = Rs.20/kg Applying allegation theorem,   So, Ratio of quantity of sugar and soda = 2:1 Hence Quantity of Soda required = [(1/2) × 20] = 10 kg

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