Five tasks P, Q, R, S, and T need to be completed. P must be done before Q, R must be done before S, and T must be done after Q. What is the correct sequence of tasks?

C. P, R, Q, S, T

In a group of five friends: A, B, C, D, and E, the following conditions are given: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?

C. C

A, B, C, D, and E are five students who scored the following marks: A scored more than B but less than C. D scored less than E but more than A. Who scored the least?

B. B

In a family of five members A, B, C, D, and E, A is the father of B. C is the mother of B and D is the brother of B. E is the sister of D. How is E related to A?

A. DAUGHTER

In a family, there are three generations. X is the grandfather of Y. Y has two siblings, Z and W. W is the daughter of Y. How is Z related to W?

A. BROTHER