Georges, Patrick, Charlis, Samuel and Bruno are five Frenchmen. Georges knows English and Chinese. Patrick knows Chinese and Japanese. Charlis knows Japanese and German. Samuel knows German and English. Bruno knows them all: English, Chinese, Japanese and German.
In how many ways can they sit in a row, such that any two neighboring persons have no problems in communication?
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Brain teaser # 31
Replies (14)
Georges, Patrick, Bruno, Charlis, Samuel
Any ways can sit since all know french, there will not be any communication problem
| Originally posted by : ganesh | ||
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Any ways can sit since all know french, there will not be any communication problem |
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Now i understand your question Pratik, as per Ganesh they all can talk in French.. SO there are 120 ways they can sit in a row...
Anser This Question :)
/forum/brain-teaser-210498.asp#.UAT6e5GmGKE
Nice questions Prateek.
They can sit in 48 ways so that any two neighbors can communicate with each other.
| Originally posted by : ganesh | ||
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Any ways can sit since all know french, there will not be any communication problem |
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It is not mentioned that they all know french. Even if they are frenchmen, they may be staying in different countries and not know french at all :)
This is a logic question, you cant suppose :)
Rashid bhai...
"they all know french" is also an assumption :) isn't it?
Now Prateek Bhai will clarify 
They can sit in 5! ways.......
Answer Plzz.....i guess it shud b 120
5*4*3*2*1 ways
The correct answer is actually 120 ways...
Since they are all Frenchmen, hence any way they sit...they would not be facing any communication problems.
| Originally posted by : Prateek Agarwal | ||
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The correct answer is actually 120 ways... Since they are all Frenchmen, hence any way they sit...they would not be facing any communication problems. |
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Hi Prateek,
I have a different opinion here.
Even if they are frenchmen, it is not necessary that they all know French.
I agree that unlike India, they would have multiple languages but still with the given information, I think it is inappropriate to assume that they all know French.
Aseem, Priya, Sushil - what do you think?
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