(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 children ?

E. NONE OF THESE

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

A. P IS THE UNCLE OF Q

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 E related to C ?

B. DAUGHTER

A party consists of grandmother, father, mother, four sons and their wives and one son and two daughters to each of the sons.
How many females are there is all ?

A. 14

Pointing toward a person in a photograph, Anjali said "He is the only son of the father of my sister's brother."
How is that person related to Anjali ?

E. NONE OF THESE