How many different signals can be generated by using 9 flags of which 4 are red, 3 are blue and 2 are green by arranging them on a staff, one below the other?
Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM
Here, we are suppose to arrange 9 objects, out of which 4 are of one kind, 3 are of second kind and 2 are of third kind.
So, the total possible arrangements would be
Hence 1260 signals can be generated.
Answered by | 4th Jun, 2014, 03:23: PM
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