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Thread: Doubt : Escalator problem

  1. #1
    Expert Member
    Join Date
    Jan 2007
    Answers
    272

    Doubt : Escalator problem

    According to Suresh solution :
    Steps = 26 but speed of escalator cannot be (26-9) / 42.5 = 0.4
    because Escalator always keep moving upwards...So if u r subtracting the number of steps the man climbed i.e 9 from 26, then you should also subtract the time taken by that man in climbing those steps from 42.5 secs
    LEt the time taken by that man is t secs for climbing 9 steps
    then speed of escalator will be (26 - 9) / (42.5 - t).


  2. #2
    Contributing Member
    Join Date
    Sep 2006
    Answers
    962

    Re: Doubt : Escalator problem

    Yes..Smart coder. The speed of escalator equation is not correct. But the answer is correct. Here is the correct equation.

    (26 - 18) / 20 = 0.4

    I saw this puzzle in somewhere place.. I want to change the numbers in that puzzle....In that confusion i made these mistakes...

    ------------------
    suresh


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