In a competition, M scored higher than N but lower than O. P scored lower than M but higher than N. Who has the highest score?

C. O

Four friends - A, B, C, and D - have different pets: a dog, a cat, a bird, and a fish. A does not have a dog. B has a cat. C does not have a fish. Who has the dog?

D. D

Identify the number that does not belong to the group.

C. 28

Complete the series: a, e, i, o, ?

A. U

In a family of five members - P, Q, R, S, and T - there are two males and three females. P is a teacher, Q is a doctor, and R is a male. S is not a teacher. Who is the doctor?

B. Q