If A + B means A is the brother of B; A - B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?

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

A. Father

B. Brother

C. Uncle

D. Grandfather

A is son of C while C and Q are the sisters to one another. Z is the mother of Q. If P is the son of Z, Which one of the following statements is correct ?

A. Q is the grandfather of A

B. P is the maternal uncle of A

C. P is the cousin of A

D. Z is the brother of C

Pointing at a photo, Dinesh said, "His father is only son of my mother." The photo belongs to- :

A. Dinesh

B. Dinesh's brother

C. Dinesh's father

D. Dinesh's son

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

A. His son

B. His nephew

C. His cousin

D. His uncle