Question

Five years ago, gouri was thrice as old as ganesh.how old are gouri and Ganesha

Answer 1

Let Gouri be x
and ganesh be y
so,
x-5=3(y-5)
x-5=3y-x
x=3y-10
x+10=2(y+10)
3y-10+10=2y+20
y=20
x=50