Question
The average expenditure of a man for the first five
month is Rs.14000 and for the next seven months is Rs.12000. If he saves 17000 in that year then find his average monthly income.Solution
Total expenditure in first 5 months = 14000 × 5 = Rs.70000 Total expenditure in last 7 month = 12000 × 7 = Rs.84000 Total income of the man in a year = 70000 + 84000 + 17000 = Rs.171000 His average income in a month = 171000/12 = Rs. 14250
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