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    Question

    Monthly savings of ‘A’ is Rs. 1600 more than his

    monthly expenditure and his total monthly income is Rs. 4800. If his monthly income is increased by 40% and his monthly savings is increased by 37.5%, then find the increase in his monthly expenditure
    A Rs. 700 Correct Answer Incorrect Answer
    B Rs. 740 Correct Answer Incorrect Answer
    C Rs. 720 Correct Answer Incorrect Answer
    D Rs. 780 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Monthly savings of ‘A’ = (4800 + 1600)/2 = Rs. 3200 Monthly expenditure of ‘A’ = 4800 – 3200 = Rs. 1600 Increased monthly expenditure of ‘A’ = 1.40 × 4800 – 1.375 × 3200 = Rs. 2320 Desired increase = 2320 – 1600 = Rs. 720

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