8
There are 3 primary colors; Red, Yellow and green. Mixing combinations of these colors will give you all the colors.
14*13/(2*1) = 91 combintions.
Two make combinations you would take 2x1=2 combinations only
One bar code can have anywhere from 30 to 70 different combinations within itself. How many combinations are in the world is not known.
6
Red Blue Green
You use primary colors to mix together, and you can get many secondary colours, depending on how many different combinations you try. Was this question a joke??
12 Combinations.
8
462 combinations.
120
ONE
16
24
221,184 Different Combinations :)
24 of them.