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    Question

    Ratio of expenditure to income = 3:4. If income

    increases by 25 % and expenditure by 20 %, find % increase in savings.
    A 40% Correct Answer Incorrect Answer
    B 25% Correct Answer Incorrect Answer
    C 12% Correct Answer Incorrect Answer
    D 32% Correct Answer Incorrect Answer

    Solution

    ATQ,

    Income = 4x, Expenditure = 3x, Savings = x

    New income = 5x, New exp = 3.6x

    New saving = 1.4x

    Increase = 0.4x/x = 40%

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