In a family of six members A, B, C, D, E, and F, there are two males and four females. A is a teacher, B is a doctor, C is the sister of D, D is the brother of E, and F is the mother of A. Who among the following is a male?

B. B

Five students - A, B, C, D, and E - scored different marks in an exam. A scored more than B but less than C. D scored the highest, and E scored less than A. Who scored the second highest?

C. C

Five people - P, Q, R, S, and T - have different pets: a dog, a cat, a bird, a fish, and a rabbit. P has a dog, Q does not have a cat or a fish, R has a rabbit, S has a bird. What pet does T have?

C. FISH

In a race, five participants (P, Q, R, S, T) finished in different positions. P did not finish first or last. Q finished before R but after S. T finished last. Who finished first?

C. S

Five people - W, X, Y, Z, and V - are sitting in a row. W is to the left of X but not next to Z. Y is sitting next to V. Who is sitting in the middle?

B. X