In a class of students: Alex, Ben, Clara, and Dana. Alex scored higher than Ben but lower than Clara. Dana scored the lowest. Who scored the highest?

C. CLARA

In a circular seating arrangement, A is sitting to the immediate left of B and to the immediate right of C. If D is sitting opposite A, who is sitting to the immediate right of D?

C. C

Five friends, P, Q, R, S, and T, are sitting in a row. P is to the left of Q but to the right of R. S is to the left of T. Who is sitting in the middle?

A. P

There are four boxes labeled P, Q, R, and S. The following conditions are given: Box P contains more items than Box Q. Box R contains fewer items than Box S. Which box contains the least items?

C. R

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 highest?

D. E