Question

    The average expenditure of a man for the first seven

    month is Rs.12000 and for the next five months is Rs.9000. If he saves 15000 in that year then find his average monthly income.
    A 11750 Correct Answer Incorrect Answer
    B 12500 Correct Answer Incorrect Answer
    C 11500 Correct Answer Incorrect Answer
    D 12000 Correct Answer Incorrect Answer

    Solution

    Total expenditure in first 7 months = 12000×7 = Rs.84000 Total expenditure in last 5 month = 9000×5 = Rs.45000 Total income of the man in a year = 84000 + 45000 + 15000 = Rs.144000 His average income in a month = 144000/12 = Rs. 12000

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