If A + B means B is the brother of A; A x B means B is the husband of A; A - B means A is the mother of B and A % B means A is the father of B, which of the following relations shows that Q is the grandmother of T?
Answer: A
Q - P → Q is the mother of P
P + R → R is the brother of P
Hence, → q is the mother of R
R % T → R is the father of T.
Hence, Q is the grandmother of T.