If A + B means A is the father of B; A - B means A is the brother B; A % B means A is the wife of B and A x B means A is the mother of B, which of the following shows that M is the maternal grandmother of T?

Explanation:-

M x N → M is the mother of N
N % S → N is the wife of S
and S + T → is the father of T.
Hence, M is the maternal grandmother of T.