ICSE Class 7 Answered
The speed of a boat in still water is 10 km/hr. If the boat goes 37.5 km up stream in 10 hours, find the speed of the stream.
Asked by Topperlearning User | 07 Jan, 2015, 01:02: PM
Expert Answer
Speed of boa in still water = 10km/hr
Let the speed of stream = x km/hr
Speed of boat up-stream = (10 - x) km/hr
Distance = 37.5 km, Time = 10 hrs
According to given condition, we have
Hence, speed of stream = 6.25 km/hr
Answered by | 07 Jan, 2015, 03:02: PM
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