Question

The average monthly expenditure of a family was ₹88,600 during the first three months, ₹9,750 during the next four months and ₹9,920 during the last five months of a year. If the total savings during the year was ₹65,300, the average monthly income (in ₹) of the family was:

• A. 34,975
• B. 15,794
• C. 15,479
• D. 14,597

Answer 1

Answer:

A. 34,975

First, find the total expenditure for the year:

• First 3 months: $(88{,}600 \times 3 = 265{,}800)$

• Next 4 months: $(9{,}750 \times 4 = 39{,}000)$

• Last 5 months: $(9{,}920 \times 5 = 49{,}600)$

Total expenditure:

$265{,}800 + 39{,}000 + 49{,}600 = 354{,}400$

Now add savings to get total income:

$\text{Total income} = 354{,}400 + 65{,}300 = 419{,}700$

Finally, divide by 12 months to get average monthly income:
$\frac{419{,}700}{12} = 34{,}975$

Answer: ₹34,975