A and B are married couple. X and Y are brothers. X is the brother of

How is Y related to B ? A. Brother-in-law
Brother
Cousin
None of these

The correct answer is: Brother-in-law.

A brother-in-law is the husband of one’s sister or the brother of one’s spouse. In this case, X is the brother of A, who is married to B. Therefore, Y is the brother of A’s spouse, making him B’s brother-in-law.

The other options are incorrect because:

  • B is not X’s brother.
  • B is not Y’s brother.
  • B and Y are not cousins.