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You have 12 coins, one of which is a fake and has a different weight than the others. Using a scale (two pans) can you determine the fraud in no more than 3 uses.
;12 Coins
:You have 12 coins, one of which is a fake and has a different weight than the others. Using a scale (two pans) can you determine the fraud in no more than 3 uses.


There are 5 pirates who must split 100 gold pieces. They use the age-old pirate tradition that the oldest pirate offers a suggestion on how to divide the gold, if the suggestion is accepted by a simple majority it is done, otherwise (even in a tie) that pirate has to walk the plank and the remaining pirates start again. What happens?
;5 Pirates
:There are 5 pirates who must split 100 gold pieces. They use the age-old pirate tradition that the oldest pirate offers a suggestion on how to divide the gold, if the suggestion is accepted by a simple majority it is done, otherwise (even in a tie) that pirate has to walk the plank and the remaining pirates start again. What happens?

Revision as of 19:21, 8 December 2011

12 Coins
You have 12 coins, one of which is a fake and has a different weight than the others. Using a scale (two pans) can you determine the fraud in no more than 3 uses.
5 Pirates
There are 5 pirates who must split 100 gold pieces. They use the age-old pirate tradition that the oldest pirate offers a suggestion on how to divide the gold, if the suggestion is accepted by a simple majority it is done, otherwise (even in a tie) that pirate has to walk the plank and the remaining pirates start again. What happens?