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A farmer with 11 cows likes to milk them in a different order each morning. How many days can he do this without repeating?

 Jan 21, 2019
 #1
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I believe that it's 11!, but don't fully take my word for it. 

 Jan 21, 2019
 #2
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11! days   = 11! = 39916800 days

 

That is about 109,000 years. 

So since cows, or people do not live that long he can essentially have a different order for every day.

 Jan 22, 2019

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