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| Thread: Solve This Tough Riddle | |
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RedSoxFan3
Admirable
Legendary Hero
Fan of Red Sox
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posted September 27, 2003 06:21 AM |
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Solve This Tough Riddle
Three soldiers are standing in a line front to back like so:
A - B - C
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All of them are facing to the left.
Soldier A can't see anyone. Soldier B can see soldier A and soldier C can see soldier A and soldier B. Soldier A has a red tag on his back. Soldiers B and C have blue tags on their backs. Each soldier does not know what color tag they have on their back. They cannot turn around. They cannot talk to each other.
The drill sargeant tells them that one of them must shout out what color tag is on their back with in 5 minutes. If they fail or guess incorrectly they will be severely punished. He also says that the quicker they get it will determine whether or not they are punished lightly or rewarded, so basically the sooner the answer, the better. He also tells them that different colored tags have been placed on their backs. Some may be blue some may be red. He also tells them that two of them are wearing the same color and the other is wearing a different color.
After 1 minute, one of the soldiers yells out the color of the tag he is wearing and is correct.
Tell soldier this was and explain his reasoning for guessing the answer that he chose.
This is a logic riddle, the answer isn't, "He just guessed" or some stupid answer like that, it will make perfect sense when you hear the answer.
Hint, the soldier couldn't have guessed the answer correctly without waiting at least a minute.
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Go Red Sox!
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this_other_guy
Famous Hero
{0_o} heh...
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posted September 27, 2003 07:52 AM |
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Its soldier B 
REASON: B knows that there's blue & red tags, and knows A is red, abd C can see both B and A's tags. Since he realised that C isn't answering, A and B has to be different colours. Since B sees that A is red, he knows for sure that he is blue 
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1f u c4n r34d th1s u r34lly n33d t0 g37 l41d
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angelito
Honorable
Undefeatable Hero
proud father of a princess
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posted September 27, 2003 08:04 AM |
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Yes t_o_g thatīs right. Soldier B waits a little bit, because he knows, that there are two of the same colour and soldier c doesnīt scream out his colour, so he knows that a and b doesnīt have the same colour and he can see the colour of a, therefore he knows his colour.
BTW, there is a thread called "riddles", where you can post more of these good oneīs
edit: I see, you have posted your reason for the solution at the same time i did
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this_other_guy
Famous Hero
{0_o} heh...
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posted September 27, 2003 08:06 AM |
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C'mon RedSox is that the best you got? 
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1f u c4n r34d th1s u r34lly n33d t0 g37 l41d
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Dingo
Responsible
Legendary Hero
God of Dark SPAM
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posted September 27, 2003 06:37 PM |
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RedSoxFan3
Admirable
Legendary Hero
Fan of Red Sox
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posted October 02, 2003 09:13 PM |
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I thought it was hard. But very good.
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Go Red Sox!
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Celfious
Promising
Legendary Hero
From earth
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posted October 03, 2003 05:52 AM |
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yes its good. Although, the awnser was derived, that soldier C could see soldier A's tag.
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What are you up to
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IRh
Famous Hero
Lizard
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posted October 03, 2003 07:18 PM |
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The interesting thing is that poor A soldier who sees nothing can name his color after B named one. But the C, who sees both colors and seems to be the luckiest from the first glance, will get all the punishment, for he can only guess his color!
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EvilLoynis
Famous Hero
The Dark Shadow
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posted October 06, 2003 06:43 PM |
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What I don't get is why did he have to wait a whole min? I mean if C didn't shout out the answer in the first 10 seconds he should have known...lol
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"I am both selfish and instictive. I value nature and the world around me as means to an end as well as an end in itself; at best I ... too long to display...
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IRh
Famous Hero
Lizard
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posted October 08, 2003 05:06 PM |
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Cause they are military!
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