Six persons, P, Q, R, S, T and U, are sitting in a room. There are equal males and females. There is at least one married couple in the room. Q is P’s daughter. S is the father of two persons - one male and one female. P and T are daughters of U. Who is the married couple?
Eight friends K, L, M, N, O, P, Q and R are sitting clockwise in the same sequence around a circular table, facing the centre, at equal distances from each other. If O is sitting in the south-east, then in which direction is R facing?
If ‘A’ denotes ‘addition’, ‘B’ denotes ‘multiplication’, ‘C’ denotes ‘subtraction’, and ‘D’ denotes ‘division’, then what will be the value of the following expression? 43 A 22 C 15 B 4 A 72 D(10 C 2) = ?