A $ B means A is the father of B; A # B means A is the sister of B; A * B means A is the daughter of B and A @ B means A is the brother of B. Which of the following indicates that M is the wife of Q?

Explanation:-

Q $ R → Q is the father of R
R @ T → R is the brother of T
Hence, → Q is the father of T
T * M → T is the daughter of M
Hence, → M is the mother of T
Hence, M is the wife of Q.