Question
The average expenditure of a man for the first 4 month
is Rs.4000 and for the next 8 months is Rs.6000. If he saves 11000 in that year then find his average monthly income.Solution
Total expenditure in first 4 months = 4 × 4000 = Rs.16000 Total expenditure in last 8 month = 8 × 6000 = Rs.48000 Total income of the man in a year = 16000 + 48000 + 11000 = Rs.75000 So average income in a month = 75000/12 = Rs. 6250
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