I Bet 99.99% Will Fail!

There are four prisoners. All four prisoners will be freed if at least one of them correctly guesses the colour of the hat on his head. They can’t speak to each other, and they can’t touch each other.

Number 1 sees number 2 and 3’s hats. Number 2 sees number 3’s hat. Number 3 sees only the wall. Number 4 sees only the wall.

There are no mirrors and they all know that there are 2 black hats and 2 white hats and that there are four people.

One of the prisoners says “I know the colour of my hat” and solves the riddle.

Which prisoner is that?

Good luck and pass it on!

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