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?
Four friends - A, B, C, and D - have different pets: a dog, a cat, a bird, and a fish. A does not have a cat. B has a pet that is not a bird. C has a dog. What pet does D have?
In a family of five members - P, Q, R, S, and T - P is the father of Q. R is the mother of Q. S is the sister of Q. T is the brother of R. Who is the grandmother of Q?