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How many balls are their?


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12 replies to this topic

#1 darthmat

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Posted 25 November 2007 - 03:17 AM

At a circus fair their was a booth, where you had to guess the amount of balls in each cup. Their were four cups. They all had the same amount.In front of each cup it said how many balls were in each. In front of the first - "One or four", the second - "Two or one". The third- "Three of four." The fourth- "Two or four". Only one statement was true. How many balls were their in total?

Spoiler for solution


(i know how this can sound sexual, so you don't need to comment on that, i just did.)
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#2 Ploper

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Posted 25 November 2007 - 03:48 AM

hmm.
I like this one.
I thought it was three until I read the spoiler.
Cool, keep it up
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#3 darthmat

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Posted 25 November 2007 - 03:52 AM

Thanks. =D

(lol, i got it from a book... here is the link.... http://www.amazon.co...c/dp/0486427552
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#4 Ploper

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Posted 25 November 2007 - 03:54 AM

hmm. Cool.
Do you know any others?
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#5 darthmat

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Posted 25 November 2007 - 04:04 AM

Most of them in here require pictures, but I'll search for some that don't.
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#6 bonanova

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Posted 25 November 2007 - 11:14 AM

Change the signs on the cups to their opposite.

Spoiler for solution

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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell

#7 darthmat

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Posted 25 November 2007 - 01:24 PM

That is correct, although i fail to see how that got you got it the way you did....

Their is a much simpler way...

But to each their own.
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#8 bonanova

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Posted 25 November 2007 - 02:13 PM

That is correct, although i fail to see how that got you got it the way you did....

Three negated signs are true.
The correct number is thus named three times, on cups 1, 2 and 4.
Couldn't be much simpler than that.
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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell

#9 Ploper

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Posted 25 November 2007 - 03:50 PM

Oh. Duh!
I looked at the answer wrong.
So I was right...
cool
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#10 darthmat

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Posted 25 November 2007 - 10:40 PM


That is correct, although i fail to see how that got you got it the way you did....

Three negated signs are true.
The correct number is thus named three times, on cups 1, 2 and 4.
Couldn't be much simpler than that.



I know, but that you explained yourself in your first post in this thread confused me is all.
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