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 mother of R. S is the daughter of T. U is the son of P. Who is the father?
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 the mother of S. T is not a male. Who is the father?
Five people - A, B, C, D, and E - are sitting in a row. A is to the left of B but to the right of C. D is sitting at one of the ends. E is sitting next to B. Who is sitting in the middle?
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. E scored less than A. Who scored the second highest?
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 or a cat. B has a bird. C has a fish. Who has the dog?