Question

In a class of 40, there are 10 boys at the age of 12 years, 12 at the age of 12.5 years
and the rest at the age of 13. The average age of the boys in the class is ____ years​

Answer 1

In a class of 40, there are 10 boys at the age of 12 years, 12 at the age of 12.5 years

and the rest at the age of 13. The average age of the boys in the class is ____ years