In how many different ways can 3 identical green shirts and 3 identical red shirts be distributed among 6 children such that each child receives a shirt?  Choose the correct choice: A) 20 B) 40 C) 216 D) 720 E) 729
GGG RRR   Therefore total number of ways is   6! but there are two groups of 3 identical things.   Therefore total number of "different" ways is   6!/ (3!) (3!) = 20 20NS:20
<result>A</result>
In how many different ways can 3 identical green shirts and 3 identical red shirts be distributed among 6 children such that each child receives a shirt?