Pointing to an old man, Amreesh said, "His son is my son's Uncle. "How is old man related to Amreesh ?

Father

Pointing to an old man, Amreesh said, "His son is my son's Uncle. "How is old man related to Amreesh ?

Amreesh said, "His son is my son's Uncle.

Means the old man is the father of his son's uncle. And father of his son's uncle is the brother of Amreesh and if he is the brother of Amreesh then the old man must be the father of Amreesh.