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Author Topic: A lil Friday Riddle  (Read 226 times)
Lori_Cryptonetix (OP)
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August 18, 2017, 11:31:25 AM
 #1

You are a prisoner in a room with two guards. Before you are two doors. One leads to death, one leads to freedom. One guard always answers true, the other guard always lies. You get ONE question to ONE guard ONLY to determine which is the safe door. What question do you ask?
Aladdin-Sane-83
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August 18, 2017, 12:12:16 PM
 #2

You ask a guard to go through one of the doors?
flitschbirne
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August 18, 2017, 12:26:39 PM
 #3

You ask a guard to go through one of the doors?


seems to be the only way
Lori_Cryptonetix (OP)
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August 18, 2017, 04:53:37 PM
 #4

nope not quite Smiley I have the answer waitin to see if anyone else can come up with the answer.
Lyancy001
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August 18, 2017, 05:56:20 PM
 #5

I'll ask the guard who lies a lot to one door if this is the door. He'll say it is, then is isn't, if he said no, then it is.
Lyancy001
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August 18, 2017, 06:04:59 PM
 #6

If you asked the truth-guard, the truth-guard would tell you that the liar-guard would point to the door that leads to death.
If you asked the liar-guard, the liar-guard would tell you that the truth-guard would point to the door that leads to death.
Therefore, no matter who you ask, the guards tell you which door leads to death, and therefore you can pick the other door.
Lori_Cryptonetix (OP)
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August 18, 2017, 07:45:03 PM
 #7

If you asked the truth-guard, the truth-guard would tell you that the liar-guard would point to the door that leads to death.
If you asked the liar-guard, the liar-guard would tell you that the truth-guard would point to the door that leads to death.
Therefore, no matter who you ask, the guards tell you which door leads to death, and therefore you can pick the other door.

exactly well done Smiley
Gyro
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August 18, 2017, 07:54:37 PM
 #8

If you asked the truth-guard, the truth-guard would tell you that the liar-guard would point to the door that leads to death.
If you asked the liar-guard, the liar-guard would tell you that the truth-guard would point to the door that leads to death.
Therefore, no matter who you ask, the guards tell you which door leads to death, and therefore you can pick the other door.

exactly well done Smiley


He cheated using google then copy/pasta the answer https://puzzling.stackexchange.com/questions/2188/two-doors-with-two-guards-one-lies-one-tells-the-truth

lame.
Similificator
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August 18, 2017, 07:57:34 PM
 #9

You are a prisoner in a room with two guards. Before you are two doors. One leads to death, one leads to freedom. One guard always answers true, the other guard always lies. You get ONE question to ONE guard ONLY to determine which is the safe door. What question do you ask?

I'll ask one guard if he is strong enough to open one of the doors. Basic. Hahahahaha
Lancelot04
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August 19, 2017, 01:10:56 AM
 #10

If you asked the truth-guard, the truth-guard would tell you that the liar-guard would point to the door that leads to death.
If you asked the liar-guard, the liar-guard would tell you that the truth-guard would point to the door that leads to death.
Therefore, no matter who you ask, the guards tell you which door leads to death, and therefore you can pick the other door.

exactly well done Smiley


He cheated using google then copy/pasta the answer https://puzzling.stackexchange.com/questions/2188/two-doors-with-two-guards-one-lies-one-tells-the-truth

lame.

No he didn't! He just worked it smart ya know. HAHAHA.
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