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Use the stairs! (Posted on 2008-09-12) Difficulty: 2 of 5
You walk upwards on an escalator, with a speed of 1 step per second. After 50 steps you are at the end. You turn around and run downwards with a speed of 5 steps per second. After 125 steps you are back at the beginning of the escalator.

The Question:
How many steps do you need if the escalator stands still?

For something somewhat related please see "Walking down an escalator".

No Solution Yet Submitted by Andre    
Rating: 4.5000 (2 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionSolutionK Sengupta2008-09-17 13:14:09
re: Escalated solutionSteve Herman2008-09-14 09:12:08
SolutionEscalated solutionDej Mar2008-09-12 12:37:18
SolutionOne step at a time (spoiler)Steve Herman2008-09-12 12:21:41
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