Question

a signal can be formed by running different colored flags up a pole. how many distinct signals can be made with 6 flasgs if 3 of them are red, 2 of them are blue, and 1 is green?

Answer 1

6

Explanation:

The number of signals will be the factorial of 3 which is 6

That is

3×2×1=6

This question is similar to asking the combination of clothes you'll put on when you have 3 shirts and 6 pants and 1 hat, the answer is 18.