Hat Riddle Wall

Suppose there are 4 prisoners named A B C and Z.

Hat riddle wall. All four prisoners will be freed if at least one of. 4 prisoners wearing black and white hats. The men initially dont know what colour hat they are wearing.

Unfortunately theyre not sure whether you qualify so they decide to give you all a test. A wall separates the fourth man from the other three. However if a man goes to stand against the wall and there are men with both black and white hats already against the wall he goes and stands between the two men with different colored hats.

The first prisoner that is able to announce the color of his hat correctly will be released. The aliens think humans look quite tasty but their civilization forbids eating highly logical and cooperative beings. Prisoners A B and C are all standing in a straight line facing right so A can see prisoner B and C and B can see prisoner C.

TED Talk Subtitles and Transcript. Colored Hats Against The Wall. The three prisoners are ordered to stand in a straight line facing the front with A in front and C at the back.

The riddle is also. They are told that there are two white hats and two black hats. Man 2 can see Man 3.

1- A can see the hats B and C are wearing but he doesnt know what hat hes wearing 2- After listening to A C figures out which hat he must be wearing he doesnt know before listening to A 3- Finally D who is hidden behind a wall and cant see anyone figures out what hat he is wearing just by hearing what A and C have said. There are 2 white hats and 2 black hats and each prisoner has a hat on his head. The warden shows them two black hats and two white hats and then puts the hats in a bag to conceal them.