Five students, P, Q, R, S, and T, scored the following marks: P > Q, R < S, T > R. Which student scored the least?

C. R

Among four cars A, B, C, and D, A is faster than B but slower than C. D is the slowest. Which car is the fastest?

C. C

In a class of students, M is older than N but younger than O. P is older than M. Who is the youngest?

B. N

In a family of six members P, Q, R, S, T, and U, there are two males and four females. P is a teacher. Q is the sister of R. S is the mother of T. U is the father of Q. Who is the male member of the family?

D. U

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

A. P, R, Q, S, T