Pointing to a gentleman, Deepak said, " His only brother is the father of my daughter`s father." How is the gentleman related to Deepak ?

A. Grandfather
B. Father
C. Brother-in-law
D. Uncle
E. None of these
Answer: D . Uncle

Justification: Father of Deepak's daughter's father -- Deepak's father.
So, the man's brother is Deepak's father or the man is the brother of Deepak's father i.e., Deepak's uncle.