Two spies have to communicate using secret code. They need to create exactly 30 possible precoded messages, using a single number and letter. Which structure should the code have?

Question

anonymous · Answer

possible answers A. Select a number from {1, 2, 3, 4} and a vowel
B. Select a number from {1, 2, 3, 4, 5} and a vowel.

C. Select a number from {1, 2, 3, 4, 5, 6} and a vowel.

D. Select a number from {1, 2, 3, 4, 5} and a consonant

anonymous · Answer

Never mind I figured it out on my own it was C. thanks for your help