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3 Questions

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Two doors with three guards - one lies, one tells the truth, and one is unreliable

logical-deduction
Dec 16 '19 at 5:23 Community♦ 1
 
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Classic two guards and two doors

liars
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Minimum steps to verify a Sudoku solution

sudoku
May 23 '17 at 23:23 user64742 1,224
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