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 two children, who is the parent of C?
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 not at either end. Who is standing at the rightmost position?
In a coded relation, if P * Q means P is the mother of Q, P + Q means P is the father of Q, and P - Q means P is the sister of Q, what is the relationship of R if P * R + Q?