A farmer has a certain number of sheep.
Whichever single sheep you pick, you can always divide the other remaining sheep in two groups which have the same number weight and the same number of sheep.
Can you prove that all sheep are the same weight?
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11$\begingroup$ We've had this puzzle before. $\endgroup$– xnorCommented Dec 18, 2015 at 9:23
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$\begingroup$ @DrunkWolf Huh, it still looks to me like you are removing only one sheep? $\endgroup$– xnorCommented Dec 18, 2015 at 12:04
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$\begingroup$ It is not correct, you did not answer the question for real numbers. $\endgroup$– BlueTrinCommented Dec 19, 2015 at 13:25
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2$\begingroup$ @BlueTrin math.stackexchange.com/questions/1002267/… this is the same on math.stack , it features a great answer by Christian Blatter that I don't think any of us will improve on. $\endgroup$– DrunkWolfCommented Dec 19, 2015 at 14:21
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1$\begingroup$ Could we have this question removed? I keep coming back to it and getting reminded that it's already solved in three different places already. It also has a good ranking in 'unanswered'. $\endgroup$– cst1992Commented Jan 8, 2016 at 18:30
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