Correct Answer:
Option C —
Father
To solve blood relation problems of this type, it is usually easiest to break the statement down from the end to the beginning.
Step-by-Step Breakdown
1. "My daughter-in-law"
Since Rocky is a man, his daughter-in-law is the wife of his son.
2. "Daughter of my daughter-in-law"
The daughter of Rocky's daughter-in-law is Rocky's granddaughter (specifically, the child of his son and daughter-in-law).
3. "Father of the daughter"
The father of that granddaughter is Rocky's son.
4. Conclusion
The "man" Rocky is pointing to is his own son.
The question asks: "How Rocky is related to that man?"
Since the man is Rocky's son, Rocky is the Father of that man.
Logic Summary
Daughter-in-law's daughter = Granddaughter
Granddaughter's father = Son
Rocky's relationship to his son = Father
Answer verified by Quintessence Classes faculty — Karan Nagar, Srinagar.