Question

Rahul's father is five years older than four times Rahul's age. If Rahul's father's age is 33 years, then age of Rahul is ____ years.

Answer 1

f = 5 + 4 r
f = 33
so
33 = 5 + 4 r
subtract 5 from both sides
4 r = 28
r = 28/4 which is 7