In a race, five runners P, Q, R, S, and T finished in the following order: R finished before T but after P. Q finished before S but after R. What is the finishing order of the runners?

C. P, R, Q, S, T

Six tasks A, B, C, D, E, and F need to be completed. A must be done before B and C. D must be done after E but before A. What is the correct order of tasks?

A. E, D, A, B, C, F

A family has five members: A, B, C, D, and E. A is the grandmother of C, B is the father of C, D is the brother of C, and E is the mother of C. Who is the youngest member of the family?

C. C

In a race, five participants A, B, C, D, and E finish in the following order: A finishes before B but after C. D finishes before E but after B. What is the correct sequence of finishers?

A. C, A, B, D, E

In a family, there are three children: X, Y, and Z. X is the brother of Y, and Y is the sister of Z. How is Z related to X?

A. Z IS X'S SISTER