If Raj was one-third as old as Rahim 5 years back and Raj is 17 years old now, How old is Rahim now?

Raj’s age today = 17 decades,
Hence, 5 decades back, he must be 12 years old.
Rahim must be 36 years old, Because (3×12).
5 years back Rahim must be 41 years old today. Because (36+5).