Subject

    Bank Exam

    Topic

    Bangladesh Bank 2015 Officer (General Side)

    A train 120 meter long is traveling at a speed of 60 km/h. The time in which it will pass a passerby, walking at 6 km/h in the same direction is-

    ক)
    8 sec
    খ)
    6 sec
    গ)
    3 sec
    ঘ)
    9 sec

    Explanation

    If both of them go to same direction than speed would be=(60-6)=54 km/h =(54x1000/3600) ms-1 so,train crosses the man within=120/15=8 sec

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