Select the odd pair of words from the list below.

C. DOCTOR - MEDICINE

If 'APPLE' is coded as 'BQQMF', what is the code for 'GRAPE'?

A. HSBQF

In a coded relation, if P × Q means P is the mother of Q, P ÷ Q means P is the son of Q, and P + Q means P is the daughter of Q, what is the relationship of R to S if R × S and S ÷ R are true?

A. R IS S'S MOTHER

If 'FISH' is coded as 6, 9, 19, 8 and 'BIRD' is coded as 2, 9, 18, 4, what is the code for 'WORM'?

A. 23, 15, 18, 13

In a family of five members: P, Q, R, S, and T, there are two males and three females. R is the brother of S. P is the mother of Q. T is the father of R. Who is the male member in the family?

C. R