Multiple Choice Questions on A jogger is running at 9 kmph alongside a railway track is 240 meters ahead of the engine of a 120 m........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A jogger is running at 9 kmph alongside a railway track is 240 meters ahead of the engine of a 120 m...........

Quantitative Aptitude ( CCS) Problems on trains
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    A jogger is running at 9 kmph alongside a railway track is 240 meters ahead of the engine of a 120 meters long train running at 45 kmph in the same direction. In how much time will the train  pass the jogger ?

    48 sec

    Incorrect Answer

    44 sec

    Incorrect Answer

    40 sec

    Incorrect Answer

    36 sec

    Correct Answer
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    Explanation:

    Speed of the train relative to jogger = (45-9) km/hr = 36 km/hr

    =(36*5/18) m/sec  = 10 m/sec

    Distance to be covered =(240 + 120)m = 360 m

     Time taken = 360/10 sec = 36 sec

    Hence, option 4 is the correct answer.

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