Question

when i become as old as my father is now i will be 5 times the age of my son. and my son will be 8 yrs older than what i am now.father+my age=100.how old is my son now?

Answer 1

let her father's present age be x yrs.
her son's present age be y yrs
her present age be.z yrs
ATQ, x+z=100. (1)
x= 5y. (2)
y= 8+ z. (3)
from (1),(2) and(3).,,
y= 18 yrs.that means ...her son is 18 yrs old