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

C. FATHER

If A + B means A is the son of B ;
A - B means A is the husband of B ;
A x B means A is the sister of B,
then which of the following shows the relation Q is the maternal uncle of P ?

A. P + B - R X Q

A is the father of C. But C is not his son.
E is the daughter of C. F is the spouse of A.
B is the brother of C. D is the son of B.
G is the spouse of B. H is the father of G. Who is the son of F ?

A. 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. Which of the following pairs is the parents of the couple ?

B. BC

If  (A) P + Q means P is the brother of Q ;
    (B) P x Q means P is the father of Q ;
    (C) P - Q means P is the sister of Q ;
which of the following represents S is the niece of T ?

C. T + M X S - K