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The average expenditure of a man for the first five months of a year is ₹5,000 and for the next seven months it is ₹5,400. He saves ₹2,300 during the year. His average monthly income is :
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- ₹5,425
- ₹5,500
- ₹5,446
- ₹5,600
- ₹5,425
Correct Option: A
The average expenditure of a man for the first five months = ₹5,000
Total expenditure for 5 months = 5 × 5000
and the average expenditure of a man for the next seven months = ₹5,400
Total expenditure for next 7 months = 7 × 5400
Annual expenditure of the man = ₹(5 × 5000 + 7 × 5400)
Annual expenditure of the man = ₹(25000 + 37800) = 62800
Annual savings = ₹2300
| ∴ Average monthly income = ₹ |  | 62800 + 2300 |  |
| 12 |
| Average monthly income = ₹ | | 65100 | | = ₹5425 |
| 12 |
