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 Spider Strolls (Posted on 2006-07-12)
A fifteen feet long ladder is placed across a street such that while its base is at one edge of the street its top rests against the opposite wall at a height of nine feet. Similarly, another ladder, twenty feet long, is placed resting across the other side-wall so that the two ladders cross each other. A spider wishing to cross the street, climbs up one ladder till it gets to the meeting point; thereafter, it climbs down the other.

How long will the spider take to accomplish the crossing assuming that he covers a foot in ten seconds?

 No Solution Yet Submitted by Salil Rating: 2.0000 (1 votes)

 Subject Author Date The Spider Walk Richard Z 2006-07-19 00:45:55 I used the 3-4-5 as well Dave Soderstrom 2006-07-12 20:11:52 re: 7 legs for an 8 legged walk Jyqm 2006-07-12 16:55:03 7 legs for an 8 legged walk Dej Mar 2006-07-12 15:57:20 3 X 4 X 5 solution Patrick 2006-07-12 13:30:58

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