Laughter is the Best Medicine - Tell us a joke Message Board

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Pastimes : Laughter is the Best Medicine - Tell us a joke

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To: Savant who wrote (61636)	12/9/2022 3:04:21 PM
From: Jeffrey S. Mitchell	Read Replies (3) of 62549

Coin flipping contests are rigged! Just a heads up. ===== On that note, let me sneak in a really fun somewhat related logic puzzle. It's legitimately solved using logic, not some cute joke answer. I lay before you "a few hundred" pieces of solid gold. I've painted them all blue on one side and red on the other. I tell you you can keep all of them if you can do a task with them while blindfolded. Before I put on your blindfold, you observe that only 30 of these coins have their blue side face up, but are not able to memorize exactly where they are. Once blindfolded, I tell you to separate all these coins into two piles of any size each (i.e. not necessarily of equal size) such that each pile ends up with the same number of coins with their blue side up. You may count the coins and turn as many over as you wish, but you may not stand any coin on its edge or toss any coins away. You have no way to tell which coin has what color face up in the dark by feel. OK, so how do you accomplish this task -- using logic -- and get to keep all the gold coins?! - Jeff

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