Multiple Choice Questions on The distance between two stations A and B is 200 km A train leaves A towards B at an average speed o........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The distance between two stations A and B is 200 km A train leaves A towards B at an average speed o...........

Quantitative Aptitude ( CCS) Problems on trains
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    The distance between two stations A and B is 200 km. A train leaves A towards B at an average speed of 60 km/hr. After an hour, another train leaves B towards A at an average speed of 80 km/hr. The distance of the point where the two trains meet, from A is :

    100km

    Incorrect Answer

    140km

    Incorrect Answer

    120km

    Correct Answer

    180km

    Incorrect Answer
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    Explanation:

    Solution: 
    Let the distance be xkm.
    x/60 – (200-x)/80 = 1
    (4x-600+3x) /240 =1
    7x – 600=240
    X=120km.

    By: Pranav Gupta
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