A + B means A is the father of B ;
A - B means A is the wife of B ;
A x B means A is the brother of B ;
A ÷ B means A is the daughter of B.

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

C. P IS THE AUNT OF Q

A is the son of B.
C, B`s sister has a son D and a daughter E.
F is the maternal uncle of D.

How is E related to F ?

C. NIECE

A and B are brothers. C and D are sisters. A's son is D's brother.
How is B related to  C ?

D. UNCLE

Rahul told Anand, 'Yesterday I defeated the only brother of the daughter of my grandmother.'
Whom did Rahul defeat ?

B. FATHER

In a family, there are six members A, B, C, D, E and F. A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose huasband has died. How is F related to A ?

A. MOTHER