Difference between revisions of "Eight weights"

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=[http://erihybomex.co.cc UNDER COSTRUCTION, PLEASE SEE THIS POST IN RESERVE COPY]=
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Here is a puzzle I saw on someones problem of the week site.  They had it phrased using batteries.  Here is another version.
 
Here is a puzzle I saw on someones problem of the week site.  They had it phrased using batteries.  Here is another version.
  

Revision as of 16:53, 23 November 2010



UNDER COSTRUCTION, PLEASE SEE THIS POST IN RESERVE COPY


CLICK HERE


Here is a puzzle I saw on someones problem of the week site. They had it phrased using batteries. Here is another version.

Puzzle

You come across eight stones. You know that 4 of the stones weigh the same, while the other four all weigh different amounts. How many times might you have to use a balance scale before you can know for sure that the next two stones you will weigh will be equal?

See also