In a code language, 'BOOK' is represented as '21411'. What is the code for 'PEN'?

Answer: A. 1614
Using the same coding pattern where 'B' is 2, 'O' is 15, 'K' is 11, 'P' is 16, 'E' is 5, 'N' is 14, 'PEN' becomes '1614'.