Question 426679
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b>
Hi
Note: we cannot do 'tree diagrams here"
However: number of possible arrangements = 4! = 4*3*2 = 24
Note: each color has 6 possibles..thus 4*6 possibles altogether   
        Y (example)
   R    B    G
  B G  R G   R B