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  1. Two trains approach each other at 30 km/hr and 27km/hr from two places 342km apart after how many hours will they meet
    2. A.
    5 Hours
    B.
    6 Hours
    C.
    7 Hours
    D.
    12 Hours

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    Workspace

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    Answer : Option B

    Explanation :

    Suppose the two trains meet after x hours, then 


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