A and B are sisters. R and S are brothers. A's daughter is R's sister. How is B related to S?

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?

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?

Pointing to the photo of a man, a woman said, “His brother’s father is the only son of my grandfather.” How is the woman related to the man in the photo?

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?

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?