21 мая 2015 г. · Suppose that the rear man sees his two friends wearing two white hats. Then he would be able to tell the color of his hat. |
27 мая 2019 г. · We are given countably many people numbered 1,2,3,... for all n∈N, each wearing a hat that is either black or white. No-one can see the color of their hat. |
2 авг. 2020 г. · 1 Answer 1 · If everyone except the 1st person was wearing a white hat, the 1st person would guess that their hat was black. · If everyone ... |
6 сент. 2016 г. · Let's call the princes A, B, and C, with you being A. If you are wearing a black hat, then B will see one black hat and one white hat. |
18 февр. 2019 г. · After exactly one minute, they all have to simultaneously guess their own hat color. No communication in any form is allowed after the hats have been placed. |
18 июн. 2020 г. · Starting at the back of the line, the prisoner guesses the color of their hat, and if they are correct, they are free to go. |
16 июл. 2020 г. · Here is the puzzle: N hats are put on N logicians, each hat color is selected randomly: black or white. As usual, every logician doesn't see ... |
4 апр. 2015 г. · The answer is Since there are only two hats of each color, 1 is able to deduce his color when 2 and 3 are the same color. |
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