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Thread: solve this plz

  1. #1
    Join Date
    Sep 2009
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    2

    Question solve this plz

    time and distance

  2. #2
    Join Date
    Sep 2009
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    2

    Default

    A car is travelling at a uniform speed.the driver sees a milestone showing a 2-digit number.After travelling for an hour the driver sees another milestone with the same digits in reverse order. After another hour the driver sees another milestone containing the same two digits.What is the average speed of the driver?

  3. #3
    Join Date
    Sep 2009
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    9

    Default

    9(y-x)units per hr

  4. #4
    Join Date
    Jan 2013
    Location
    pakistan
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    1

    Default

    really like looking at and I conceive this website got some genuinely useful stuff on it! .

  5. #5

    Default

    Thanks for your comments,..
    Quote Originally Posted by saminaed1 View Post
    really like looking at and I conceive this website got some genuinely useful stuff on it! .

  6. #6
    Join Date
    Feb 2012
    Location
    Indore
    Posts
    27

    Default

    How to solve this problem...?? plz tell me..

  7. #7
    Join Date
    Feb 2013
    Posts
    5

    Default

    A car is travelling at a uniform speed.The driver sees a milestone showing a 2-digit number.After travelling for an hour the driver sees another milestone with the same digits in reverse order.After another hour the driver sees another milestone containing three digits but the condition is digits are in the order of the former milestone and zero is included in the middle., like x0y .What is the average speed of the driver.

    let the milestone be xy
    then the second milestone is yx
    then the third one will be x0y

    but yx-xy distance is covered in 1 hour
    and x0y-yx is also covered in 1 hour

    so x0y-yx=yx-xy

    (100x+y ) - (10y+x ) = (10y+x ) - (10x+y)

    x/y=1/6

    you know x and y are single digits so x=1 and y=6

    so 1st milstone is 16
    2nd milestone is 61
    and 3rd one is 106.

    uniform speed is 61-16=105-61=45mile/hour

  8. #8
    Join Date
    May 2011
    Posts
    2

    Default solve this plz

    EJ i cant agree wid u this time people will play this map 4 2 or 3 days and then get bored of it .. so i agree with bullet this time

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