Word Brain Teasers

What is black when you buy it red when you use it and gray when you throw it away?

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Answer

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Wiki User
09/04/2008

Coal. Though many people think "charcoal" is the answer. Charcoal isn't red when you're using it nor grey when you throw it away. Coal and charcoal are entirely different.

Coal is red when it's aglow, grey as ash when it's thrown away.