A father is now three times as old as his son.

A father is now three times as old as his son. Four years back, he was four times as old as his son. The age of the son (in years) is

Quiz

Answer/Solution

12

Steps/Work

If father's age is F and son's age is S, then
F=3S
and
F-4 = 4*(S-4)
3S-4 =4S-16
S=12
F=36 years
ANSWER:A