Question

What is the North pole and south pole of ring magnet

Answer 1

Every magnet has both a North and a South pole. When you place the North pole of one magnet near the South pole of another magnet, they are attracted to one another. When you place like poles of two magnets near each other (North to North or South to South), they will repel each other.

Answer 2

1.Stack them on a pole and either have the attract to become one big magnet or stacked so they repel and have magnetic levitation. 
the top and the bottom of the ring.