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Eight efficient blacksmiths (Posted on 2015-08-13) Difficulty: 3 of 5
A puzzle by Polish mathematician Paul Vaderlind:

If a blacksmith requires five minutes to put on a horseshoe, show how can 8 blacksmiths shoe 10 horses in less than half an hour?

The catch: A horse can stand on three legs, but not on two.

See The Solution Submitted by Ady TZIDON    
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  Subject Author Date
re(2): solutionSteve Herman2015-08-13 19:28:52
SolutionSolution (slightly differently)Paul2015-08-13 11:14:14
Solutionre: solutionCharlie2015-08-13 09:31:05
SolutionsolutionCharlie2015-08-13 09:26:03
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