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  1. Pavan travelled for 11 hours. He covered the first half of the distance at 30 kmph and remaining half of the distance at 25 kmph. Find the distance travelled by Pavan.
    2. A.
    240 km
    B.
    280 km
    C.
    260 km
    D.
    300 km
    E.
    None of these.

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    Workspace

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    Answer : Option D

    Explanation :

    Let the distance travelled be x km. 

    Total time = (x/2)/30 + (x/2)/25 = 11 => x/60 + x/50 = 11 => (5x + 6x)/300 = 11 => x = 300 km

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