In a certain code, each letter is replaced by the letter two places back in the alphabet. If ARMY is written as YPKW, how is NAVY coded?
Q1. In a certain code, each letter is replaced by the letter two places back in the alphabet. If ARMY is written as YPKW, how is NAVY coded?
Answer: LYTW
Explanation: Two steps back gives N to L, A to Y, V to T, and Y to W, so the code is LYTW.