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Bet Brood (Posted on 2014-03-06) Difficulty: 2 of 5
On a certain island precisely one-third of the native people are liars who always lie, one-third are knights who always tell the truth, and one-third are knaves who strictly alternate between a truth and a lie (albeit not necessarily in this order) . The chances of encountering any one of the three types on the island are the same.

Frank, who is a traveler comes across three natives-Abe, Ben and Cal. It is known that exactly one of them is a knight, precisely one of them is a liar and the remaining is a knave (albeit not necessarily in this order.)

They say:

Abe: I love cats.
Ben: Cal always tells the truth.
Cal: Abe hates cats.

If someone bets Frank $20 that he can not correctly identify which one of these people is a knight, which of the three natives will be wisest for him to bet on?

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionSolutiontomarken2014-03-06 10:08:57
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