I saw this on yahoo homepage but the answer seem clear to me.(There is a village where the barber shaves all those and only those who do not shave themselves. Who shaves the barber?) No one shaves the barber, he has the ZZ HILL thing going on.
The barber shaves only people falling into ';both'; groups. If there are 10 men in the village including the barber . 7 men shaves themselves we will call them GROUP A leaving 3 men that don't shave them-self in GROUP B. The barber can't shave people that shave them-self so he can't be in GROUP A . So he would fall into GROUP B with 2 other men totaling 3 needing a shave, the barber would shave the 2 other men because if he couldn't shaved himself it would put him back in GROUP A %26amp; no one else could shave him because he shave all those who do not shave themselves. To make a long story short he (the barber) does not get shaved.Wouldn't the answer to the brainteasers, Who shaves the barber? be no one.?
One more time.
';the barber shaves all those and only those who do not shave themselves';
The crux of the riddle is the difference between ';not shaving yourself'; and ';not shaving at all';.
As stated above, the barber shaves ALL those who do not shave themselves. Therefore, if the barber DOES NOT SHAVE HIMSELF (i.e. has a beard), he is one of the people that he shaves. So he shaves himself. This is still a paradox.
I've never heard this riddle, but perhaps the addition that the barber, a MALE, shaves all men in town who are ';shaved by someone else '; would lead to the answer that he wears a beard. As stated above there is no solution except that he is exempt from the rule that the barber is a woman or a non-resident.Wouldn't the answer to the brainteasers, Who shaves the barber? be no one.?
Assuming that the barber is male, the barber can shave himself, but can do this only one time in his lifetime.
A barber shaves all those and only those who do not shave themselves. Initially, the barber has never shaved himself in his lifetime. He goes ahead and shaves himself for the first time. Now that he has shaved himself ( for the first time ), he no longer can shave himself in the future, because he can only shave all those and only those who do not shave themselves.
The question has an answer that is possibly a one time event in that man's lifetime. No paradox here...
This was a puzzler question on ';Car Talk';, and the answer was ';nobody shaves the barber, because the barber is a woman';.
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