Aclass has the same number of girls and boys only eight boys were absent on aparticular day and the number of girls was doublethe number of boys what is the number of boysand girls ?

Answer 1

The ratio of girls to boys in the class is 1:1. Let n be the common multiple. Then:
2(n-8)=n
2n-16=n
n=16
There are 16 boys and 16 girls, normally, in the class. ☺☺☺☺

Answer 2

Maths note class 8 chapter 2