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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,529

Another one: Cars Across the Desert Puzzle

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,597

Hi;

A very interesting problem. I could not find a solution with 3 cars. Have you ever seen a proof or any argument why 4 are necessary?

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,529

No I haven't.

But I have been thinking how to rescue the empty cars.

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**Creeper_Mode****Member**- Registered: 2013-10-21
- Posts: 2

Nehushtan wrote:

Only one question. It doesn't says that you will be able to tow another car! Even if you can. It will use more patrol that's wouldn't take you to quarter a desert per car!

Creeper_mode - Amateur Math solver

Love Logic Puzzles.

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**Grimbal****Member**- Registered: 2013-11-24
- Posts: 7

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