Question 344352: How many different signals, each consisting of 9 flags hung in a line, can be made from a set of 4 white flags, 3 red flags, and 2 blue flags if all flags of the same color are identical?
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many different signals, each consisting of 9 flags hung in a line, can be made from a set of 4 white flags, 3 red flags, and 2 blue flags if all flags of the same color are identical?
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Ans: 9!/(4!*3!*2!) = 1260
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cheers,
Stan H.
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