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  1. A certain distance covered at a certain speed. If half of this distance is covered in double the time the ratio of the two speeds is
    2. A.
    4:1
    B.
    1:4
    C.
    2:1
    D.
    1:2

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    Answer : Option A

    Explanation :

    Let x kms be covered in y hours, then first speed = x / y km/hr


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