L, M, N, O, P, Q and R are sitting around a circular table, facing the centre (but not necessarily in the same order). Only three people are sitting between R and O when counted from the left of R. Only M is sitting between L and N. N is an immediate neighbour of O. P is sitting third to the right of L. Who is sitting second to the left of O?

Seven people, M, N, O, P, X, Y, and Z are sitting in a row, facing north. No one sits to the left of X. Only four people sit between X and O. Only three people sit to the right of M. Z sits to the immediate left of N. P is not an immediate neighbor of M. Who sits at the rightmost end of the line?

Five students are sitting in a row facing North. Akbar is to the left of the person sitting in the middle, but to the right of Sekar. Prakash is to the right of Deva, and Ram is to the right of Prakash. Ram is second from the person sitting in the middle. Who is the person sitting in the middle?