In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor". Then he knew that the salesman is a native or visitor. salesman is in which category , native or visitor?
Total Answers and Comments: 7
Last Update: February 06, 2009 Asked by: Sivakumar
the salesman says - "She says she is a visitor", which obviously means that he admits that she is a woman. So he is telling the truth. So the salesman is a visitor....
RE: In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor"
the salesman says - "She says she is a visitor" which obviously means that he admits that she is a woman. So he is telling the truth. So the salesman is a visitor....
RE: In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor"
What avinash shetty says is absolutely tremendous concept. Yes he is a visitor. We can look in another manner reason:
Salesmen replied She says she is a visitor . it means salesman does not know that women . Its proves that he does not belong to that island and he is outsider.
RE: In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor"
What pdsubbu answered is simply brilliant.. No need of reasoning the question. The salesman replies she says she is a visitor the man enquires about the woman and the salesman refers her as she which implies that sales man is saying truth and he is a visitor
RE: In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor"
Four case can happen: 1. woman visitor salesman visitor In this case woman will say that i am vistor and salesman will say she is vistor'
2. woman native salesman native In this case woman will say i am vistor and salesman will say she is native
3. woman vistor salesman native In this case woman wil say i am visitor and salesman will say she is native .
4. woman native salesman visitor Here woman says i m visitor sales man says she is visitor
from the above 4 cases only case 1 and case 4 holds good as here the salesman says she is visitor which is what the salesman says in the problem.
In both cases 1 and 4 salesman is a vistor so confirmed that salesman is a visitor.
RE: In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor"
omanohar's solution is absolutely correct. Probably the below table would also help to understand the solution (table is just for explanation). Take all possible combinations into consideration and check it's validity.
Salesman
Woman
Validity
True
Told: She is a visitor
Actual (told by woman): She is a visitor
True
Told (taken from salesman’s actual): She is a visitor
Actual: She is a visitor
Valid
True
Told: She is a visitor
Actual (told by woman): She is a visitor
False
Told (taken from salesman’s actual): She is a visitor
Actual: She is a native
Valid
False
Told: She is a visitor
Actual (told by woman): She is a native
True
Told (taken from salesman’s actual): She is a native
Actual: She is a native
Invalid as native doesn’t speak truth
False
Told: She is a visitor
Actual (told by woman): She is a native
False
Told (taken from salesman’s actual): She is a native
Actual: She is a visitor
Invalid as visitor doesn’t lie
In both the valid cases salesman is saying truth. So he is a visitor.
Other answers which said that the salesman identified her as a woman is incorrect.
In these type of questions we have to identify the main part for which True/False has to be applied (in this case visitor-native). We can't just take any part (like she-he says-didn't say is-was etc).
RE: In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman beside him in a bar is a native or visitor. He asked him to ask a woman beside him whether she is a native or visitor. He replied "she says she is a visitor"
We know that the answer of the question that man asked was that She is a visitor . Native will Lie and Visitors will speak truth. So we can assume that both Lady and Saleman could be visitor or Native. Basically there are 4 scenarios and the result after salesman has asked the question are: