In a coded relation, if P × Q means P is the mother of Q, P ÷ Q means P is the father of Q, and P + Q means P is the son of Q, what is the relationship of R if P × R ÷ Q + S?
Answer: B. R is the son of S
P × R means P is the mother of R. P ÷ Q means P is the father of Q. Q + S means Q is the son of S. Therefore, R is the son of S.