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  1. A train travelled from station P to Q in 8 hours and came back from station Q to P is 6 hours. What would be the ratio of the speed of the train while traveling from station P to Q to that from station Q to P?
    2. A.
    4 : 3
    B.
    9 : 16
    C.
    16 : 9
    D.
    3 : 4
    E.
    None of these.

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    Answer : Option D

    Explanation :

    Since S # 1/t 

    S1 :  S2 = 1/t1 : 1/t2  =  1/8  :  1/6  =  3 : 4

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