Cush4704 Cush4704
  • 25-01-2024
  • Mathematics
contestada

A motor boat whose speed is 15 km/hr in still water goes 40 km downstream and comes back in a total of 6 hours. The speed of the stream is
A 9 km/hr
B 7 km/hr
C 5 km/hr
D 3 km/hr

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