In a row of children Kalpana is 9th from the left and Saneha is 13th from the right. When they exchange their positions, then Kalpana becomes 18th from the left. What is the new position of Saneha from the right end of the row?

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?

Six people, A, B, C, D, E and F, are sitting in a row, facing north. F sits to the immediate left of A. C sits third to the left of D. C is an immediate neighbour of A. B sits to the immediate left of E. How many people sit between E and C?