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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 June 2014, 1:23 PM
Answered by Expert
Answer:

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 Expert 4th June 2014, 3:23 PM
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