The sum of the present ages of a father and his son is 60 years. Six years ago, a father's age was five times the age of the son. After six years son's age will be-
A) 12 years
B) 14 years
C) 18 years
D) 20 years
The sum of the present ages of a father and his son is 60 years. Six years ago, a father's age was five times the age of the son. After six years son's age will be-
A) 12 years
B) 14 years
C) 18 years
D) 20 years