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bischar wrote:
> > Supposed you are given 4 red balls, 4 blue balls and
> > 4 green balls. You
> > want to arrange them in a row such that no 2 adjacent
> > balls are of the
> > same colour.
> >
> > (i)How many ways of doing so?
> >
> > (ii) Is there a generalisation for n balls of each
> > colour?
> > (iii) What if the balls are arranged in a circle?
> > What is the relation
> > to (i)?
> >
> > Thanks all
> >
>
> Thank you man! I didn't know what to do with my 4 red balls, 4 blue balls and
> 4 green balls! Now I know!
You've never arranged your balls before?
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