Question

average age of class of sg Students
years of the age of the teacher is
included then
increases by 3 month.
The age of teacher is ?
the average​

Answer 1

Answer:

I don't understands please write in right form

Answer 2

Answer:

Let there be x children.

I gives, age of teacher =x years.

II gives, average age of (x+1) persons =(x+1)years.

∴ Teacher's age =(x+1)(x+1)−x

2

=(x

2

+1+2x)−x

2

=(1+2x)

Thus, teacher's age cannot be