How many fundamentals (Arkaan) are there in Islam?

The answer is: (B) 5
The five pillars of Islam are: (1) the shahada (or kalma), (2) salat (or namaz), (3) zakat (charity to the poor), (4) Fasting (or saum) and (5) Hajj (pilgrimage to Makkah). more button is clicked by the visitor.¹