Hajj is obligatory upon a Muslim under which condition?
A
Every five years
B
Every year
C
Once in a lifetime, if able
D
Never obligatory
Correct Answer: Option C — Once in a lifetime, if able
Explanation:
Hajj is obligatory once in a lifetime for every adult Muslim who is physically and financially capable of undertaking the journey to Makkah, as stated clearly in the Quran.