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Boats and Streams

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  1. When the speed of a boat in still water is 4 km/h and the rate of stream is 2 km/h, find upstream speed of the boat. ?
    1. 6 km/h
    2. 5 km/h
    3. 2 km/h
    4. 7 km/h
Correct Option: C

Upstream speed of boat = Boat's speed in still water - Rate of stream = 4 - 2 = 2 km/h


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