Age of father is four times the age of his son. Five years later age of father will be three times the age of his son. Present age of father is:

A) 45 years

B) 30 years

C) 50 years

D) 40 years

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2002 (GS Paper I)