Puzzle: How is Frank related to Rose?

PUZZLE: John and Rose are a married couple. James and Frank are brothers. James is the brother of John. How is Frank related to Rose?

1. Brother

2. Brother-in-law

3. Sister-in-law

4. None of these

Solution & Explanation

Since James and Frank are brothers, and James is the brother of John, Frank is also the brother of John. Thus, Frank is the brother-in-law of Rose. Thus, Answer is option (2).