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Going up (Posted on 2003-06-01) Difficulty: 3 of 5
A man walks up an escalator, taking one step per second. After taking thirty steps, he is at the top.

Next day, he goes up at two steps per second, reaching the top in 36 steps.

The third day, he has had a long afternoon and merely sits on the escalator, waiting for it to reach the top.

How long does it take him?

See The Solution Submitted by DJ    
Rating: 4.2632 (19 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionPuzzle SolutionK Sengupta2007-10-26 05:21:15
I am not sureJed2005-04-13 04:33:02
SolutionLawrence2003-08-24 19:08:53
re(2): DJ or .?Tim Axoy2003-06-05 03:20:16
re(2): DJ or .?DJ2003-06-04 11:29:15
re: DJ or .?Lewis2003-06-04 06:55:10
QuestionDJ or .?Tim Axoy2003-06-04 05:31:19
solutionspinoza2003-06-02 10:32:11
another solutionpleasance2003-06-01 07:31:21
SolutionsolutionCharlie2003-06-01 05:45:33
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