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Forums > Engineering Questions and Answers > Puzzles
Christmas Brain Teaser
Last Post 21 Feb 2012 12:56 PM by ffinybryn. 2 Replies.
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raj
Basic Member
Basic Member
Posts:167

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17 Feb 2012 12:22 AM
    Four angels sat on the Christmas tree amidst other ornaments. Two had blue halos and two – yellow. However, none of them could see above his head. Angel A sat on the top branch and could see the angels B and C, who sat below him. Angel B, could see angel C who sat on the lower branch. And angel D stood at the base of the tree obscured from view by a thicket of branches, so no one could see him and he could not see anyone either.
    Which one of them could be the first to guess the color of his halo and speak it out loud for all other angels to hear ?
    xsubsail
    New Member
    New Member
    Posts:3

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    18 Feb 2012 03:03 PM
    D. None of the other angels could see him to deny his call.
    ffinybryn
    Basic Member
    Basic Member
    Posts:101

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    21 Feb 2012 12:56 PM
    Angel A would call the opposite color to B & C if they were the same. Angel B would call the opposite color to C if A didn't call.
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