@khanacademy yes. Say green if # green hats is odd, say purple otherwise. Then, everyone but last person knows their hat color.
Can you solve this week's #KABrainTeaser and rescue these Earthlings abducted by aliens? http://ow.ly/i/51lHa More:http://ht.ly/uXMUr
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@khanacademy you should add that the aliens can discuss their strategy before they get in line. The problem can't be solved if not imoThanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy The last earthlings blabs who has purple hats quickly before being blasted for not following the rules. .)Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy Also, realize that you can hear the previous people's answers.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy Wait. What if the line was like (from back to front): PGPGPGPGPG Then only 4 people can be saved...Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy Am I wrong it doesn't say that colors were given out equally?If last one sees everyone in green, assumes his is and is blasted!Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy that just made my head hurt a whole lotThanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy I thought I knew the answer, but with all the extended conditions in the video, we'd be mushroom farm toast by now. LOL!Thanks. Twitter will use this to make your timeline better. UndoUndo
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@khanacademy The concept of the brainteaser is so interesting and creative!Thanks. Twitter will use this to make your timeline better. UndoUndo
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