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

There are six persons A, B, C, D , E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother ?

D. E

Introducing a man to her husband, a woman said, "his brother's father is the only son of my grandfather."
How is the woman related to his man ?

C. SISTER

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

If X is the brother of the son of Y`s son, how is X related to Y ?

D. GRANDSON