Multiple Choice Questions on In what time will a train 100 meters long cross an electric pole if its speed is 144 km hr ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

In what time will a train 100 meters long cross an electric pole if its speed is 144 km hr ........

Quantitative Aptitude ( CCS) Problems on trains
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    In what time will a train 100 meters long cross an electric pole, if its speed is 144 km/hr

    5 seconds

    Incorrect Answer

    4.5 seconds

    Incorrect Answer

    3 seconds

    Incorrect Answer

    2.5 seconds

    Correct Answer
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    Explanation:

    First convert speed into m/sec

    Speed = 144*(5/18) = 40 m/sec

    Time = Distance/speed
    = 100/40 = 2.5 seconds

    Hence, option 4 is the correct answer.

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