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Boats and Streams

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  1. A boat goes 12 km upstream in 48 minutes. The speed of stream is 2 km/hr. The speed of boat in still water is ?
    1. 13 km/hr
    2. 2.25 km/hr
    3. 17 km/hr
    4. 15 km/hr
Correct Option: C

∵ (12 x 60)/48 = (L - 2)
∴ L = 15 + 2 = 17 km/hr


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