A man introduces a woman as the daughter of the sister of his father. How is the woman, related to the man?

Explanation

So, A man introduces a woman as the daughter of the sister of his father - It means man introduces his father's sister's i.e his paternal aunt's daughter. As, it is clear from the family tree that the woman introduced by the man is his paternal aunt's daughter i.e she is his cousin. Hence, "Cousin" is the correct answer.