re: Enigma/Word Problem/Riddle Thread - Entertain The OT

quote:

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Four Men in Hats

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C calls out his hat. He knows that that D behind him can see both his and B's hat and figures out that if his hat were the same color as B's, D would see two hats of the same color and immediately know he had one of the opposite color. But since D does not say anything, C deduces his hat must be of the opposite color of B in front of him.

didn't look at answer, is this right?