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November 22, 2017, 08:22:54 PM
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: The Truth Teller!  ( 4897 )
« : June 02, 2007, 09:50:52 PM From Shrinidhi»



The Truth Teller!


A saying B is lying .
B saying C lying.
C says A & B both are lying

Is anyone telling the truth?

 
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« #1 : June 02, 2007, 10:57:07 PM From PSM»

B is telling the truth...........is it right ....reply
« #2 : August 22, 2007, 11:22:03 PM From Ankit Sarraf»

C is true..... ???
Plz tell if I am Right.....
« #3 : August 22, 2007, 11:26:54 PM From Abhushan»

 no 1 of them is sayin the truth... sab jhooten hain saale
« #4 : August 24, 2007, 09:34:24 PM From abhishek_akj»

All of them are lying.....

and I certainly am telling the truth ;D
« #5 : September 13, 2007, 11:39:17 AM From vishwakarma.deepak»

correction...
b is telling truth...


deepak
« #6 : September 14, 2007, 10:01:03 PM From spazinvader»

Assumption 1:
If A is lying ==>B should be telling the truth.
If B is correct then C must be lying.
C says "A & B both are lying".
It will be a lie as B is telling the truth.
So this works.

Assumption 2:
If B is lying==>C should be telling truth.
That means, A and B both must be lying.But this contradicts our assumption.
So it wont work

Assumption 3:
If C is lying==>A & B both are saying the truth.
But this will contradict the A's statement.
So it wont work.

Assumption 4:
If all are lying.
Then B should be telling the truth as per A.This is a contradiction.
Hence this also won't work.


Hence B must be telling the truth as per the assumption 1.
I guess this is the answer.
I go with PSM. 8)
« #7 : September 15, 2007, 12:11:39 PM From Rajesh»

There will be total 6 cases ....out of these cases only "B is telling truth"  is satisfying the given condition....

so I m with PSM.....
« #8 : September 15, 2007, 12:13:48 PM From PSM»

thnks guys...after reading so much different answers i was thinking i'm surely wrong..
well shrinidhi plzz reply the right answer...
« #9 : September 19, 2007, 09:18:53 PM From Shrinidhi»

Yup... PSM is right.. and so are those who say B is telling the truth.
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