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  PUZZLE OF THE WEEK  
Puzzle of the week
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Instructions:
To submit the solution to the latest puzzle, you need to log in to TestFunda and on the puzzle page click on Solution. You will get a form to submit the solution. Please note that you can submit the solution only between Friday and Monday. Solutions posted in the comments below or sent as stand-alone emails will not be considered for prizes.

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Puzzle #559 - The case of the blue bandanas
15-Feb-19
Views : 868
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Three men were blindfolded and a blua bandana was tied around each of their heads. The were made to sit in a circle They were told that the bandana might be black or blue. Upon removal of the blindfolds, each was to raise his hand, if he saw at least one blue bandana. If he could logically deduce the colour of his own bandana, he could lower his hand. The moment the bandanas were removed, all three hands were quickly raised. A minute later, one of them lowered his hand. How did he figure this out? Provide a detailed explanation along with your answer.
 Solution

 
 
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