Carlosruelas9014 Carlosruelas9014
  • 20-02-2024
  • Mathematics
contestada

A man can row a boat at the rate of 4 km/hour in still water. He takes thrice as much time in going 30 km upstream as in going 30 km downstream. Find the speed of the stream.
a) 2 km/hour
b) 3 km/hour
c) 4 km/hour
d) 5 km/hour

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