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    Question

    Monthly income of P is Rs.20000 and his monthly savings

    is Rs.12000. If his monthly income is decreased by 40% and monthly expenditure is decreased by 30% then find the approximate percentage decrease in his monthly savings.
    A 21% Correct Answer Incorrect Answer
    B 47% Correct Answer Incorrect Answer
    C 33% Correct Answer Incorrect Answer
    D 65% Correct Answer Incorrect Answer
    E 40% Correct Answer Incorrect Answer

    Solution

    Expenditure of P = Rs.(20000 – 12000) = Rs.8000 New Saving = (0.6 × 20000 - 0.7 × 8000) = 12000 - 5600 = Rs.6400 Decrease % in Saving = [(12000 - 6400)/12000] × 100 = 47%

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