Looking at a portrait of a man, Harsh said, "His mother is the wife of my father's son. Brothers and sisters I have none." At whose portrait was Harsh looking ?

A. HIS SON

A + B means A is the son 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 mother of B; and
A = B means A is the sister of B.
What does P = R + Q mean ?

B. P IS THE DAUGHTER OF Q.

Pointing to a photograph, a person tells his friend, "She is the grand daughter of the elder brother of my father."
How is the girl in the photograph related to his man ?

A. NIECE

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 BROTHER-IN-LAW OF 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 grandmother of D ?

C. F