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Finding the Knight (Posted on 2009-01-06) Difficulty: 3 of 5
An apple seller sells only one apple every day to one of 3 persons(2 are habitual liars and the other is an always truth telling knight).

You have to determine who is the knight by asking each of the 3 persons every day, "Did the apple seller sell you the apple today?"

Find the probability that you can find the knight in exactly n days, where n is a positive integer.

For those not conversant with "knights and liars" please address the category at the home page.

See The Solution Submitted by Praneeth    
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  Subject Author Date
SolutionsolutionCharlie2009-01-06 16:57:08
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