Seven people, A, B, C, D, E, F and G, are sitting in a straight line facing north. Only two people are sitting to the left of F. A is sitting to the immediate right of F. E is sitting second to the right of A. B is sitting to the immediate right of E. C is sitting at the left end of the line. G is not an immediate neighbour of F. Who is sitting between C and F?

Seven people, F, J, M, L, R, V and X, are sitting in a row, facing north. No one sits to the right of J. Only three people sit between J and R. Only two people sit between R and M. V sits third to the left of L. X sits to the immediate right of L. How many people sit to the left of X?

Seven people J, K, L, M, N, O and P are sitting in a straight line, facing the north. Only three people are sitting to the left of O. K is sitting at the extreme left end of the line. Only two people are sitting between O and L. Only three people are sitting between J and N. J is not an immediate neighbour of L. P is sitting to the right of O. Who is sitting at the third position from the extreme right end of the line?