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Open By Majority (Posted on 2004-03-03) Difficulty: 3 of 5
A group of five people want to put a set of locks on a chest and distribute keys to the locks amongst themselves in such a way that all the locks on the chest could be opened only when at least three of them were present to open it.

How many locks would be needed, and how many keys?

See The Solution Submitted by Brian Smith    
Rating: 4.1429 (7 votes)

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Some Thoughts "Open by Majority" was a great puzzle | Comment 40 of 45 |

This was the best kind of flooble puzzle. It didn't require either a google lookup or a software program (contrary to what I said before). It really stimulated thought and creativity, as did Gamer's "Letters to Numbers" puzzle. "Open by Majority" and "Letters to Numbers" are the kinds of puzzles that really make flooble worthwhile.




  Posted by Penny on 2004-03-04 21:33:18
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