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IBPS PO Prelims 2016 Solved Paper
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© examsnet.com
Question : 7
Total: 100
The average monthly expenditure of Mr. Ravi's family for the first three months is ₹ 2,750, for the next three months is ₹ 2,940 and for the last three months ₹ 3,150. If his family saves ₹ 4980 for nine months, find the average monthly income of the family for the 9 months?
₹ 3800
₹ 3500
₹ 3400
₹ 4200
₹ 4500
Validate
Solution:
Average monthly expenditure for 3 months = ₹ 2750
Total expenditure for 3 months = ₹ 2750 × 3 = ₹ 8250
Average monthly expenditure for 3 months = ₹ 2940
Total expenditure for 3 months = ₹ 2940 × 3 = ₹ 8820
Average monthly expenditure for 3 months = ₹ 3150
Total expenditure for 3 months = ₹ 3150 × 3 = ₹ 9450
Total savings for 9 months = 4980
Average monthly income for 9 months = (8250 + 8820 + 9450 + 4980)/9 = 3500
© examsnet.com
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