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    Question

    Two solutions A and B contain spirit and water in the

    ratio 5 : 1 and 7 : 2 respectively. In what ratio should A and B be mixed so that the resulting solution may have 80% spirit?
    A 2 : 1 Correct Answer Incorrect Answer
    B 2 : 3 Correct Answer Incorrect Answer
    C 4 : 1 Correct Answer Incorrect Answer
    D 3 : 4 Correct Answer Incorrect Answer

    Solution

    Therefore, Required Ratio = 1/45 : 1/30 = 30:45 = 2:3

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