P, Q, R, S, T, U and V are sitting in a row facing North. In order to determine, who is sitting
exactly in the middle of the row, which of the following information is needed?
T and U are sitting at extreme ends of the row
S is third to the right of T
Q is four places to the left of R and P is two places to the left of V
P, Q, R, S, T, U, V, W are sitting around a round table in the same order, for group discussion at equal distances. Their positions are clockwise. If V sits in the north, then what will be the position of S?
U, V, W, X and T are sitting on a bench. T is sitting next to U, V is sitting next to W, W is not sitting with X who is on the left end of the bench. V is in the second position from the right. T is to the right of U and X. T and V are sitting together. In which position T is sitting?