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    Question

    Find the total distance covered by boat in still water

    in 8 hours if the speed of boat in upstream and in downstream is 10 km/h and 15 km/h respectively?
    A 80 km Correct Answer Incorrect Answer
    B 96 km Correct Answer Incorrect Answer
    C 120 km Correct Answer Incorrect Answer
    D 100 km Correct Answer Incorrect Answer
    E 104 km Correct Answer Incorrect Answer

    Solution

    Speed of boat in upstream = 10 km/hr Speed in downstream = 15 km/hr Speed of boat in still water = 12.5 km/hr Required total distance= 12.5 × 8 = 100 km

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