In a certain code, 'PEN' is represented as 16, 5, 14 and 'PAPER' is represented as 16, 1, 16, 5, 18. What is the code for 'BOOK'?

A. 2, 15, 15, 11

If 'RAT' is coded as 18, 1, 20 and 'BAT' is coded as 2, 1, 20, what is the code for 'SAT'?

A. 19, 1, 20

What is the position of the letter 'M' in the English alphabet?

B. 13

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

A. HSBQF

How many letters are there between 'M' and 'R' in the English alphabet?

B. 3