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Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour ?

  • 8 minutes
  • 10 mintues
  • 12 minutes
  • 14 minutes
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Post a comment

  • Hope 9 years ago

    hi hold per kyuuuu

  • Hope 9 years ago

    sir

    mastguru 9 years ago replied

    Hi !

  • veeru 11 years ago

    superb

  • hemanth 11 years ago

    Please elaborate the answer

    mastguru 11 years ago replied

    Hello Hemanth,
    As given, normal speed of bus is 54 Km/Hour.
    When bus stop on stoppages then average speed become 45 km/hr.
    Difference is 54-45 = 9 km/hr
    So when bus stops on stoppages then it travel 9 km less in an hour. right ?
    Now we need to calculate time taken by bus to travel 9 km.
    Time = Distance/Speed
    = 9/54 = 1/6 hour or (1/6) * 60 minutes
    = 10 minutes.
    Please let me know if any confusion.