In a family of six members P, Q, R, S, T, and U, there are two males and four females. P is a teacher and is married to Q. R is the son of P. S is the sister of R. T is the mother of U. Who is U's father?

A. P

In a family of four members A, B, C, and D, A is a doctor, B is a teacher, C is a lawyer, and D is a student. If A is the father of C and B is the mother of D, who is the lawyer?

C. C

Four friends, A, B, C, and D, went to a party at different times. A arrived before B but after C. D arrived after B. What is the correct order of arrival?

A. C, A, B, D

In a circular arrangement, M is sitting between N and O. P is sitting opposite M. If Q is sitting to the right of N, who is sitting to the left of O?

D. Q

A family consists of a father, a mother, and three children: P, Q, and R. P is the eldest child and is a doctor. Q is the youngest child and is a student. R is a teacher and is the middle child. What is the profession of the mother if the father is a lawyer?

D. NOT MENTIONED