Multiple Choice Questions on Two trains are moving in the same direction at 1 5 km minute and 60 km hour respectively A man in th........... for CDS Exam Preparation

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Multiple Choice Questions

Two trains are moving in the same direction at 1 5 km minute and 60 km hour respectively A man in th...........

Quantitative Aptitude (CDS) Time & distance
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    Two trains are moving in the same direction at 1.5 km/minute and 60 km/ hour respectively. A man in the faster train observes that it takes 27 seconds to cross the slower train. The length of the slower train is

    225 m

    Correct Answer

    230 m

    Incorrect Answer

    240 m

    Incorrect Answer

    250 m

    Incorrect Answer
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    Explanation:

    Speed of one train = 1.5 km / minute=1.5×1000/60=25m/s

    Speed of the other train =60km/hour=60×5/18=50/3 m/s

    Speed of the faster train relative to slower train
    =(25−50/3)=25/3 m/s

    Therefore, length of the slower train
    =25/3 x 27=225m

    By: Munesh Kumari
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