Pointing to a person, a man said to a woman, 'His mother is the only daughter of your father.' How was the woman related to the person? MCQ with Answer and Explanation

Explanation:
R is the wife of S. P is S's brother, so P is R's brother-in-law (husband's brother).

Explanation:
E is B's daughter and D is E's brother. Therefore B is D's parent, and A, being B's mother, is D's grandmother.

Explanation:
The only daughter of the person's father is his sister. Her husband is Kishore's father-in-law. Therefore, Kishore's wife is that sister's daughter, i.e., the person's daughter.