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 Lies all around (Posted on 2011-06-04)
When Mr. Mathwiz visited the IoK&L* he was surrounded by 20 or 21 male inhabitants, who formed a perfect circle and then each said a single word (either "Knight" or "Liar") about the man on his right.
The wiz then evaluated correctly the exact numbers of liars and the truth-tellers.

What were those numbers?

*IoK&L, is an imaginary island, inhabitated by Liars and by Truth-Tellers a.k.a. Knights.

 Submitted by Ady TZIDON Rating: 4.6667 (3 votes) Solution: (Hide) 20 people- 10 knights and 10 liars, no members of the same kind standing one next to the other. Why? see Math Man's presentation.

 Subject Author Date re(2): what if...? :-) chaotic 2011-06-21 14:34:57 re: what if...? :-) Dej Mar 2011-06-21 04:13:29 re: what if...? :-) chaotic 2011-06-20 19:26:00 what if...? :-) chaotic 2011-06-20 19:19:12 re(4): solution ==> CLARIFICATION Dej Mar 2011-06-07 04:32:15 re(3): solution ==> CLARIFICATION Ady TZIDON 2011-06-06 11:32:32 re(2): solution ==> CLARIFICATION Dej Mar 2011-06-06 06:22:55 re: solution ==> CLARIFICATION Ady TZIDON 2011-06-06 06:16:45 solution Dej Mar 2011-06-06 01:56:28 Knights and liars Math Man 2011-06-04 14:18:18

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