1. A steamer goes downstream from one port to another in 9 hrs. It
covers the same distance upstream in 10 hrs. If the speed of the
stream is 1 km/hr. find the speed of the steamer in still water.
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Answer:
A streamer gose downstream from one part to another in 9 hours.
covers the same distance up stream in 10 hours
2km/hr.
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