Multiple Choice Questions on A train 125 m long passes a man running at 5 km hr in the same direction in which the train is going........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A train 125 m long passes a man running at 5 km hr in the same direction in which the train is going...........

Quantitative Aptitude ( CCS) Problems on trains
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    A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ?

    45 kmph

    Incorrect Answer

    25 kmph

    Incorrect Answer

    30 kmph

    Incorrect Answer

    50 kmph

    Correct Answer
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    Explanation:

    Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec.
    [(25/2) x (18/5)] km/hr = 45 km/hr.
    Let the speed of the train be 'S' km/hr.
    Then, relative speed = (S - 5) km/hr.
    S - 5 = 45 => S = 50 km/hr.

    Hence, option 4 is the correct answer.

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