Riddle Time

[TheBaconator]

No cheating.

Shown above are four men buried up to their necks in the ground. They cannot move, so they can only look forward. Between A and B is a brick wall which cannot be seen through.

They all know that between them they are wearing four hats--two black and two white--but they do not know what color they are wearing. Each of them know where the other three men are buried.

In order to avoid being shot, one of them must call out to the executioner the color of their hat. If they get it wrong, everyone will be shot. They are not allowed to talk to each other and have 10 minutes to fathom it out.

After one minute, one of them calls out.

Question: Which one of them calls out? Why is he 100% certain of the color of his hat?

 

[v.Kamikaze]

Assuming they can't see over the wall...

They all know that between them they are wearing four hats--two black and two white--but they do not know what color they are wearing.

Spoiler

A and B can't see shit 'cept a brick wall, that leaves C and D. D can only answer if B and C are wearing the same color hat. C can only answer if D does not - and this shouldn't take 10 minutes.

 

[Surrender]

its 3 am. i cheated. lol. now time for sleep

 

[D0nk3yPunch3r]

My head hurts

 

[TheBaconator]

My head hurts

I have another riddle which is much more difficult (to some people) if you'd like!

 

[A Stable Carbocation]

Give it to me.

 

[TheBaconator]

You are in a room and there are only two doors. One leads to instant death, the other will lead you to safety. In front of each door is a guard. One of these guards always lie, the other always tells the truth. They know which door they are guarding, but you do not know which door leads to death, nor which guard lies/tell truth. You may only ask one question to one guard (i.e. you only have one question). What question do you ask to figure out which door leads to safety?

 

[BOT Yao]

You are in a room and there are only two doors. One leads to instant death, the other will lead you to safety. In front of each door is a guard. One of these guards always lie, the other always tells the truth. They know which door they are guarding, but you do not know which door leads to death, nor which guard lies/tell truth. You may only ask one question to one guard (i.e. you only have one question). What question do you ask to figure out which door leads to safety?

What is the color of milk


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[A Stable Carbocation]

What is the color of milk


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That only tells you who the liar is. You still need to know who is watching the safety door and who is watching the death door. I think I'm getting close, but I have to go for the evening - _ -

 

[Col. Gaspar]

You ask '' if you were the other guard where would you tell me where your door leads? ''

I know how it works logically but I'm not going to type it out because I have been up for 28 hours and my kids are brushing their teeth.