# What is the Age of Mother? If

The average age of 4 brothers is 12 years. If the age of their mother is also included, the average is increased by 5 years. The age of the mother is

- 37 yrs.
- 43 yrs.
- 48 yrs.
- 53 yrs.

**Answer: 37 years.
Explanation:-
**The average of ages of the four brothers = 12 years

Total age of the four brothers = 12 x 4 = 48 years

Let the age of their mother be = X years

If the mother’s age included then, average increased by 5 years

Therefore, 48 + X = (12 + 5) x 5

48 + X = 85

X = 85 – 48 = 37

Hence, the age of the mother is 37 years.