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03/04/2006 at 11:58AM PST, ID: 21760793
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5.6

100 hats (propably easy)

Asked by ravenpl in Puzzles & Riddles

Tags: hats, 100, black

Please, don't answer if You already knew the answer - post only if You invented this.

There is a queue of men. They are standing in the order of their height, so 100th can see heads of all 99 before him, 99th all 98 before hime and so on. However no one can't see any man behind him.
From the top of high building someone dropped 100 black and 99 white hats. They randomly felt onto men's heads.
Now we ask the 100th(tallest) if he knows what hat he has? Says no.
Now we ask the 99th - says no. Every next says no, untill we ask the first(smallest), who says he knows what color of hat he has.
What is the color and why he knows?
 
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About this solution

Zone: Puzzles & Riddles
Tags: hats, 100, black
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Solution Provided By: jitendra_wadhwani
Participating Experts: 10
Solution Grade: B
 
 
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