Question
The respective ratio between the time taken by a boat to travel the same distance downstream in stream A and that in stream B is 7 : 5. The speed of the boat is 10 km/h and the speed of stream A is one third of the speed of stream
The respective ratio between the time taken by a boat to travel the same distance downstream in stream A and that in stream B is 7 : 5. The speed of the boat is 10 km/h and the speed of stream A is one third of the speed of stream
B. What is the speed of stream B? (in km/h)
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