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 bird. Who has the fish?
In a family of six members A, B, C, D, E, and F, there are two males and four females. A is a doctor, B is a teacher, and C is a nurse. D is the father of E. If F is a female, who is the teacher?
Five students, P, Q, R, S, and T, scored different marks in an exam: 85, 90, 75, 80, and 95. P scored more than Q but less than R. S scored 80. Who scored 90?