# What would be average age of only the students?

The average age of 33 students and class teacher in a class is 15 years. If the class teacher’s age is 48 years. What would be average age of only the students?

- 13 years
- 12 years
- 14 years
- None of these

**Answer: (3) 14 years**

**Solution:-**

The average of 33 students and class teacher in a class = 15 years

Therefore, the total age of all students and teacher in a class = 34 x 15

= 510 years

The teacher’s age = 48 years

Then total age of all students = 510 – 48

= 462 years

The average age of all students = 462/33

= 14 years

Then the average of only the students is 14 years.

Hence, the correct answer is option (3) 14 years.