A father said to his son, "I was as old as you are at the present at the time of your birth".

A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 36 years now, the son's age five years back was:

Quiz

Answer/Solution

13

Steps/Work

Let the son's present age be x years. Then, (36 - x) = x
2x = 36.
x = 18.
Son's age 5 years back (18 - 5) = 13 years.
answer :A