one drawing ?!

On 6/21/11, Navneet Gupta <navneetn...@gmail.com> wrote:
> IMAGINE THAT YOU have three boxes, one containing two black
> marbles, one containing two white marbles, and the third, one
> black marble and one white marble. The boxes were labeled for
> their contents-BB, WW and BW-but someone has switched
> the labels so that every box is now incorrectly labeled. You are
> allowed to take one marble at a time out of any box, without
> looking inside, and by this process of sampling you are to
> determine the contents of all three boxes. What is the smallest
> number of drawings needed to do this?
>
> --Navneet
>
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-- 
.... radhika .. :)

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