Question

A father said to his son-"At the time of your birth my age was 5 years
more than your present age. If the father is 39 years old then what is
the age of the son 5 years back?
(a) 12
(b) 17
(c) 22 (d) 20​

Answer 1

Answer:

b 17or c 22 but not sure about answer