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Shvoong Home>Arts & Humanities>Logic/Logical problem Summary

Logic/Logical problem

Article Summary   by:irena5     Original Author: Irena Cakareska
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Logical problem:
When Alex,Brian and Chris finished their race they were feeling very
tired.Because of the heavily rain judges could not see who came in
first who second who third.They asked three man ,they each made two
statements.One man lied in both his statements.The other two told the
truth.This is what they said:
Alex said "I came in first.Chris was last".
Brian said"Alex wasn''t first.Chris came in second"
Chris said"I was before Alex.Brian wasn''t second".
So what was the order???




Alex and Brian say different things about Chris.So one lying but Chris
must be telling the truth.Since Chris says he was before Alex it is
obvious that Alex is lying about coming first.Real order must have been
Brian then Chris and finally Alex.
Published: October 30, 2007   
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