Five students: A, B, C, D, and E, participated in a quiz competition. A scored more than B but less than C. D scored less than E but more than A. Who scored the highest?

C. C

A, B, C, D, and E are five friends. A is older than B but younger than C. D is older than E but younger than A. Who is the youngest?

D. E

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?

D. S

In a class of five students, P, Q, R, S, and T, P is taller than Q but shorter than R. S is shorter than T but taller than Q. Who is the tallest among them?

B. R

Five people, W, X, Y, Z, and V, have different ages. W is older than X but younger than Y. Z is older than V but younger than W. Who is the youngest?

B. X