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     EduGorilla 
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    Speed of a boat in still water is 15 Km/h and speed of the stream is 1/3rd of the speed of the boat in still water. Find the average of the downstream distance travelled by the boat in 5 hours and upstream distance travelled by the boat in 8 hours.

    Options :-

    1. 75 Km

    2. 90 Km

    3. 85 Km

    4. 70 Km

    5. None of these

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