3 years ago

A signal can be formed by running different colored flags up a pole, one above the other. find the number of different signals

consisting of 7 flags that can be made using 3 white flags, 2 red flags, and 2 blue flags.

Mathematics

1 answer:

Sav [38]3 years ago

6 0

$\dfrac{7!}{3!2!2!}=\dfrac{4\cdot5\cdot6\cdot7}{2\cdot2}=210$

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A signal can be formed by running different colored flags up a​ pole, one above the other. find the number of different signals

A signal can be formed by running different colored flags up a pole, one above the other. find the number of different signals