A new flag has been designed with 6 vertical strips using some or all of the colors yellow,green,blue and red.In how many ways this can be done so that no 2 adjcent strips have same colour.
+2431
A new flag has been designed with 6 vertical strips using some or all of the colors yellow,green,blue and red.In how many ways this can be done so that no 2 adjcent strips have same colour.
4 x 3 x 3 x 3 x 3 x 3 = 972
How that was determined:
1st stripe - 4 possibilities
2nd stripe - 3 possibilities
3rd stripe - 3 possibilities
4th stripe - 3 possibilities
5th stripe - 3 possibilities
6th stripe - 3 possibilities
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