Pointing to a woman, Arun says: She is the daughter of my father's only son. How is the woman related to Arun?
Step-by-step Solution:
Let's break down Arun's statement: "My father's only son" refers to Arun himself. Therefore, "She is the daughter of my father's only son" translates to "She is the daughter of Arun." Thus, the woman is Arun's daughter.