Question

the present age of son is half of the present age of his mother.ten years ago,his mother's age was thrice the age of her son.what is the present age of the son?

Answer 1

let the mothers age be x years

sons age =x/2 years

10 years ago,

mother age=x-10 years

sons age=x/2-10 years

a/q

x-10=3(x/2-10)

x-10=3(x-20/2)

x-10=3x-60/2

2x-20=3x-60

-20+60=3x-2x

x=40 years

sons present age= 40/2 yea5

= 20 years