A + B means A is the daughter of B ;
A - B means A is the husband of B ;
A x B means A is the brother of B.

If P + Q x R, which of the following is true ?

A. P IS THE NIECE OF R

A family consists of six members P, Q, R, S, T and U. There are two married couples. Q is a doctor and the father of T. U is grandfather of R and is a contractor. S is grandmother of T and is a housewife. There is one doctor, one contractor, one nurse, one housewife and two students in the family. Who is the husband of P ?

C. Q

If (i) M is brother of N; (ii) B is brother of N; (iii) M is brother of D, then which of the following statements is definitely true ?

C. M IS BROTHER OF B

(I).   A, B, C, D, E and F are six members of a family.
(II).  One couple has parents and their children in the family.
(III). A is the son of C and E is the daughter of A.
(IV). D is the daughter of F who is the mother of E. What relationship do D and E bear to each other ?

D. SISTER

Pointing to an old man, Kailash said, "His son is my son`s uncle". How is the old man related to Kailash ?

C. FATHER