Directions: Study the following information carefully and answer the given questions.
Eight people J, K, L, M, N, O, P and Q are sitting around a circular table with equal distance between each other but not necessarily in the same order. Q sits to the immediate left of N. Only four persons sit between Q and L. P sits second to the right of M. M is not an immediate neighbour of L. Only three people sit between O and K. K is neither an immediate neighbour of M nor Q.
In the given arrangement, if O interchanges its position with N and P interchanges its position with K, then how many persons will sit between P and N, when counted from the right of P?