Math Is Fun Forum
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#1 2015-04-10 06:54:30
- khushro
- Member
- Registered: 2015-04-10
- Posts: 2
Puzzle on this site "Four People Travel" is incorrect
The puzzle assumes that if someone rents a vehicle, then it must be a car. But we can in no way make that assumption.
Agreed that most often, rented vehicles are cars, but that is not good enough mathematically to say that it must be a car and nothing else.
People have been known to rent planes not very infrequently, and all of the 4 types of vehicles can be rented.
Secondly, it is not much of a puzzle if it has 3 answers. It is just like saying that if there were no restrictions, then it would have 24 answers. It is too childish.
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#2 2015-04-10 14:03:32
- phrontister
- Real Member
- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 4,877
Re: Puzzle on this site "Four People Travel" is incorrect
Hi khushro,
This puzzle is also discussed here.
"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson
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