In a family of four members A, B, C, and D, A is a doctor, B is a teacher, C is a lawyer, and D is a student. If A is married to B and they have one child, who is C's sibling?
Five books are arranged on a shelf: P, Q, R, S, and T. R is to the left of Q but to the right of P. S is to the right of T. Which book is at the extreme right?
There are four boxes labeled A, B, C, and D. Box A contains apples, Box B contains bananas, Box C contains cherries, and Box D is empty. If Box A is heavier than Box B and Box C is lighter than Box A, which box is the lightest?
Five people are standing in a line: P, Q, R, S, and T. R is to the left of S but to the right of Q. T is at one end of the line. Who is standing at the other end?