Question
The average expenditure of a man for the first 8 month
is Rs.6000 and for the next 4 months is Rs.8000. If he saves 10000 in that year then find his average monthly income.Solution
Total expenditure in first 8 months = 8 × 6000 = Rs.48000 Total expenditure in last 4 month = 4 × 8000 = Rs.32000 Total income of the man in a year = 48000 + 32000 + 10000 = Rs.90000 So average income in a month = 90000/12 = Rs. 7500
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