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 The Hat and the River (Posted on 2003-05-05)
Bob is having a nice camping/fishing trip along a river. He leaves his campsite early in the morning, and gets on his boat, heading full throttle upstream.

After going for exactly one mile, his hat flips off of his head, and starts floating downstream. Bob doesn't realize that his hat has fallen off for five minutes, but then he notices that it's missing, and turns full throttle downstream.

He finally catches the hat at exactly the same spot as he camped that morning. The question is, how fast was the water traveling?

(Assume that he travels the same speed the entire time and that there is no turn around time.)

 See The Solution Submitted by Jonathan Waltz Rating: 2.0000 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
 Answer | Comment 23 of 24 |
The water was traveling at a speed of 6 miles per hour.

Edited on November 17, 2008, 11:51 pm
 Posted by K Sengupta on 2008-11-16 00:11:59

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