Three wise men sit in a circle with red dots on their foreheads. Each can see the others but not their own. Told at least one has a red dot, they are asked if they know their own color. After two rounds of all saying no, on the third round, all say yes. Why?
Quick Answer & Explanation
If only 1 red,
The answer to this riddle is If only 1 red,. Difficulty: Hard · Solved by 9,312 puzzle lovers.