Question

the number of boys and girls in class are 9:5.the number of girls is 12less then The number of boys.what is the total strength of the class.

Answer 1

Let no. Of boys be x ,So no. of girls is(x-12)
According to question
x/x-12=9/5
On solving, we get x=27
No. of boys=x=27
No. of girls=(x-12)=15