solve this |
solve this |
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#1
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![]() Sarcastic Mr. Know-It-All ![]() ![]() ![]() ![]() ![]() ![]() Group: Staff Alumni Posts: 2,089 Joined: Dec 2003 Member No: 29 ![]() |
![]() Put your answer in spoilers. |
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#2
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![]() in a matter of time ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Staff Alumni Posts: 7,151 Joined: Aug 2005 Member No: 191,357 ![]() |
C
If D saw that B and C had the same colour hat (eg white), then he would know immediately that his hat would be black. But since D keeps quiet, C knows that B and himself must have different coloured hats. So if B has a white hat, C must know that he has a black hat. |
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