Eight friends, J, K, L, M, N, O, P, and Q are sitting around a square table in such a way that four of them sit at four corners of the square while four sit in the middle of each of the four sides, all facing inside. J sits third to the right of L, who sits third to the right of P. Only one person sits between J and Q. K sits second to the left of Q. M is not an immediate neighbour of J. P sits immediate right of O. Who sits immediate left of J?

5 boys R, M, N, B and C are sitting in a row facing north (not necessarily in the same order). Only B and R are to the left of M. N is to the immediate right of M. R is not at the ends of the row. Who is sitting to the right of N?

7 boys P, Q, R, S, T, U and W are sitting in a row facing north (not necessarily in the same order). No one is to the right of Q. R is fourth to the left of Q. W is second to the left of R. T is fourth to the right of U. P is not second to the right of U. Who is sitting to the immediate right of P?

Which of the following pairs sits opposite to each other?

If N interchanges its position with O and P interchanges its position with M, who sits opposite to H?

Who sits to the immediate left of P?

Who sits exactly opposite to the one who sits to the immediate left of O?
 

A, B, C, D, W, X and Y are sitting around a circular table facing the centre of the table. Only two people sit between Y and X when counted from the right of Y. Only three people sit between A and B when counted from the right of B. X sits to the immediate right of B. C sits to the immediate right of D. Who sits fourth to the right of W?

P, Q, R, S, T, U and V are sitting in a straight line, facing north. S is sitting second to the left of R. U is sitting fourth to the right of S. Only one person is sitting between P and V. Q is sitting second to the right of V. Only one person is sitting between Q and T. How many people are sitting between S and T?

A, B, C, D, E and F are sitting around a circular table, facing the centre. B sits third to the right of C. D sits to the immediate left of E. D is not an immediate neighbour of C. F sits to the immediate right of A. The position of how many persons will remain unchanged if all persons are arranged in the English alphabetical order in clockwise direction starting from A (including A)?

Seven friends, D, E, F, U, V, W and X, are sitting in a straight line, facing north. No one sits to the right of D. Only three people sit between D and F. Only two people sit between F and E. X sits third to the left of V. W sits to the immediate right of V. How many people sit between U and E?