SOLUTION: Sally has 4 red flags, 3 green flags and 2 white flags. How many nine flag signals can she run up a flag pole?

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Question 409804: Sally has 4 red flags, 3 green flags and 2 white flags. How many nine flag signals can she run up a flag pole?
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

here 4 red flags, 3 green flags and 2 white flags are similar..
so, total no. of possible flag signals = 9!/(4! * 3! * 2!)
= 1260