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Mathematics 56 Online
OpenStudy (anonymous):

Sally has 2 red flags, 2 green flags, and 4 white flags. How many 8-flag signals can she run up a flag pole?

OpenStudy (anonymous):

8!

OpenStudy (anonymous):

but how many signals there are 8 flags

OpenStudy (anonymous):

not really getting it I no that in this problem n=8

OpenStudy (anonymous):

8!/2!2!4!

OpenStudy (anonymous):

no of permutation of n things out of which P is alike and are of one type, Q is alike and are of the second type, and R is alike and are of the third type....and rest are all different.... n!/P!Q!R!

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