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By 6 different coloured flags, taking one or more than one how many ways signal can be given?

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By 6 different coloured flags, taking one or more than one how many ways signal can be given?

[Hint: 6C1 x 1! + 6C2 x 2! + 6C3 x 3! + 6C4 x 4! + 6C5 x 5! + 6C6 + 6!]

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1 Answer

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Best answer

Total number of coloured flags = 6

Hence we can take any colour from 1 to 6.

Thus, the number of signals formed by using 6 different types of coloured flags

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