Answer: Option B Explanation:Since the narrator has no brother, his father's son is he himself.
So, the man who is talking is the father of the man in the photograph.
Thus, the man in the photograph is his son.
Answer: Option B Explanation:Only son of grandfather - Father; Son of father - Brother.
So, the boy is Veena's brother.
Answer: Option D Explanation:Monika's father's only daughter - Monika.
So, Reena is Monika's daughter, i.e. Monika is Reena's mother.
Answer: Option A Explanation:Only daughter of my mother - Myself.
So , the woman is man's mother.
Answer: Option D Explanation:Son of Y's son - Grandson, Brother of Y's grandson - Y's grandson.
so, X is Y's grandson.