Question

in a class a fare well party wa arranged. the number of girls in the class is twice the number of boys, each student contributes as many rupees as there are number boys.if the total contribution is rs.2352,then the number of girls is

Answer 1

Let the no. Of boys be x and that of girls be y so,

Y=2x

And every one contributed x rupees,the equation becomes:

X(x+2x)=2352

X(3x)=2352

3x.x=2352

X.x=784

Taking square root on both sides

X=28