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A motorboat in still water travels at a speed of 36 km/h. It goes 56 km upstream in 1 hour 45 minutes. The time

A motorboat in still water travels at a speed of 36 km/h. It goes 56 km upstream in 1 hour 45 minutes. The time taken by it to cover the same distance down the stream will be: 1. 2 hours 25 minutes 2. 3 hours 3. 1 hour 24 minutes 2 hours 21 minutes 4. 5. 1 hour 40 minutes

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