The correct answer is: D. Uncle
Here is a brief explanation of each option:
- A. Grandfather
Deepak’s daughter’s father is Deepak’s son. Therefore, the gentleman is not Deepak’s grandfather.
- B. Father
Deepak’s daughter’s father is Deepak’s son. Therefore, the gentleman is not Deepak’s father.
- C. Brother-in-law
Deepak’s daughter’s father is Deepak’s son. Therefore, the gentleman is not Deepak’s brother-in-law.
- D. Uncle
The gentleman is the only brother of Deepak’s daughter’s father. Therefore, the gentleman is Deepak’s uncle.
- E. None of these
The gentleman is Deepak’s uncle. Therefore, the answer is not “None of these”.