If P + Q means that P is the mother of Q, P ÷ Q means that P is the father of Q, P – Q means that P is the sister of Q, then which of the following expression shows that A is the maternal grandfather of C?

A # B means ‘A is the sister of B’.
 A @ B means ‘A is the son of B’.
 A & B means ‘A is the father of B’.
 A % B means ‘A is the mother of B’.
 If W @ Q # T & Y @ M % K, then how is Q related to K?

If A – B means that A is the mother of B, A + B means that A is the father of B, A ÷ B means that A is the sister of B, then which of the following expression shows that P is the aunt of Q?

If A × B means that A is the father of B, A –B means that A is the mother of B, A ÷ B means that A is the brother of B then which of the following expression shows that P is the father of R?

If A ÷ B means that A is the father of B, A × B means that A is the mother of B, A + B means that A is the brother of B then which of the following expression shows that Q is the daughter of P?

A – B means ‘A is the mother of B’
 A * B means ‘A is the husband of B’
 A % B means ‘A is the brother of B’
 A $ B means ‘A is the sister of B’
 If I * J – K % L $ M * N, then how is I related to N?