Multiple Choice Questions on Train 39 A 39 leaves Mumbai Central for Lucknow at 11 am running at the speed of 60 km hr Train 39 B........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Train 39 A 39 leaves Mumbai Central for Lucknow at 11 am running at the speed of 60 km hr Train 39 B...........

Quantitative Aptitude ( CCS) Time & distance
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    Train 'A' leaves Mumbai Central for Lucknow at 11 am, running at the speed of 60 km/hr. Train 'B' leaves Mumbai Central for Lucknow by one same route at 2 pm on the same day, running at the speed of 72 km/hr. At what time will the two trains meet each other?

    2 am on the next day

    Incorrect Answer

    5 am on the next day

    Correct Answer

    5 pm on the next day

    Incorrect Answer

    2 pm on the next day

    Incorrect Answer
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    Explanation:

    The relative speed of the two trains is :

    72 - 60 = 12 km/h

    The relative time is :

    1400 - 1100 = 3 hrs 

    The relative distance between them is :

    3 × 60 = 180 km

    The time they take to meet is :

    180/12 = 15

    The two trains meet after 15 hrs of 2 p.m.

    Hence, option 2 is the correct answer.

    By: Amit Kumar
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