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?

Question: 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?
[A].

Q – P + R % T

[B].

P x Q % R – T

[C].

P x Q % R + T

[D].

P + Q % R – T

Answer: Option A

Explanation:

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.