# What will be the Average Monthly Income?If

The average monthly expenditure of a family for the first four months is ₹ 2570, for the next three months ₹ 2490 and for the last five months ₹ 3030. If the family saves ₹ 5320 during the whole year, the average monthly income of the family during the year is

- ₹ 3000
- ₹ 3185
- ₹ 3200
- ₹ 3580

**Answer: (2). Rs. 3185**

Let the salary of first for months be. X

Average expenditure first four months of family is Rs. 2570

Therefore, total salary of four months = **Y = 2570 *4 = Rs.10280**

let the salary of next three months be Y

Average Expenditue for next three months of family is Rs. 2490

Therefore, total salary of next three months** = Y =2490 * 3 = Rs. 7470**

Let the salary of last five months be. Z

Average expenditure for last five months of family is Rs. 3030

Therefore, total salary of last five months =** z = 3030 *5 = Rs. 15150**

And the saving of family in whole year is Rs. 5320

The salary of 12 months of family with their saving **= Rs. ( 10280 + 7470 + 15150 +5320 ) = Rs. 38220.
**

The Average monthly income of family = total salary of 12 months with savings

**/ 12**

**The Average monthly income of family = Rs. 3185.**