Post Whore
In one container there are two black beads, in another two white beads, and in a third there are one black and one white bead.
They are labelled appropriately BB, WW, and BW.
Someone moved the labels in such a way that for each container the label doesn't show its contents.
Can you determine the contents of all three containers by withdrawing one bead from one container only?
I guess this is not really humor. It has a logical solution....
Maybe we need a 'Brain Teaser' forum?
Last edited by Bender10; 11-10-2007 at 01:59 AM.
Logic is the art of being wrong with confidence.
Moderator
It makes my head hurt just thinking about it...
Seeker of the exit clause
Moderator
Yup.
The BW label is now on a jar that either contains 2 black beads or 2 white beads.
There are only two combinations that allow for the assertion to be true.
BEADS: BB WW BW
LABEL: BW BB WW
or
BEADS: BB WW BW
LABEL: WW BW BB
as any other combination of the labels would result in a jar still containing what the label says.
So, whichever colour I pull out of the jar labeled BW means that is the colour of both the beads in that jar and the contents of the other two are logically defined.
If I pull out a white bead then both beads in the jar are white.
Thus the jar labeled WW contains the black beads and the jar labeled BB contains 1 white and 1 black bead.
conversely:
If I pull out a black bead then both beads in the jar are black.
Thus the jar labeled BB contains the white beads and the jar labeled WW contains 1 white and 1 black bead.
That was fun.
Lets do it again.
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Post Whore
Are you feeling allright Dave?
Seeker of the exit clause
Moderator
Yeah. About as good as a hand drawing of flowers in a frame on the wall or a chocolate souffle. Thanks for asking.
Last edited by AMDave; 11-10-2007 at 12:55 PM.
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Moderator
Dave, have you ever thought about some kind of therapy??
Senior Member
Delusions of Adequacy
Moderator
Yes, Dave, that logic is impecable. It works.
Darkness isn't there, but you can't see through it
Seeker of the exit clause
Moderator
Well I did once think about a kind of therapy, but apparently that is not legal anymore.Originally Posted by Beerknurd
Dave, have you ever thought about some kind of therapy??
Then I got married and now it is totally out of the question.
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