The Codemaker and the CodebreakerDiscrete Mathematics Level 2
In one game, a code made using different colors is created by a codemaker and a codebreaker tries to guess that code. The codemaker gives a hint about whether the colors are correct and in the right position.
The possible colors are Blue, Yellow, White, Red, Orange and Green. How many 4 color codes can be made if the colors can't be repeated?