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    Question

    A person saves 25% of his monthly income. If his monthly

    is increased by 35% and he still saves the same amount as before then find percentage increase (approximate) in his monthly expenditure.
    A 64.3% Correct Answer Incorrect Answer
    B 53.3% Correct Answer Incorrect Answer
    C 46.6% Correct Answer Incorrect Answer
    D 70.3% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let monthly of person is Rs. 100x Monthly savings = 0.25 Ă— 100x = Rs. 25x Monthly expenditure = 100x - 25x = Rs. 75x His increased monthly income = 1.35 Ă— 100x = Rs. 135x His monthly expenditure now = 135x - 25x = 110x Percentage increase in expenditure = [(110x - 75x)/75x] Ă— 100 ~ 46.6%

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