Nasir is four times as old as Zain, if the sum of their ages is 60 years. How old is Zain?
Nasir is four times as old as Zain, if the sum of their ages is 60 years. How old is Zain?
Explanation
Let suppose Zain age is = x years
Nasir age is = 4x years
x + 4x = 60 years
5x = 60 years
x = 12 years