Ramya’s mother is the only daughter of Prachi’s father. How is Prachi’s husband related to Ramya ? 

Correct option is A

The correct answer is (A) Father.

Step-by-Step Breakdown:

To solve blood relation problems easily, it's best to break the sentence down from the last relation mentioned:

1. "Prachi’s father’s only daughter":If Prachi’s father has only one daughter, that daughter must be Prachi herself.

2. "Ramya’s mother is [Prachi]":The statement tells us that Ramya’s mother is the person we just identified (Prachi). So, Prachi is Ramya’s mother.

3. The Final Connection:The question asks how Prachi’s husband is related to Ramya.Since Prachi is Ramya’s mother, her husband is naturally Ramya’s Father.