ellenweiklee2289 ellenweiklee2289
  • 06-04-2024
  • Mathematics
contestada

A boy can swim in still water at 1m/s. He swims across a river flowing at 0.6m/s which is 336 m wide. If he travels in shortest possible time, then what time he takes to cross the river
A.420s
B.250s
C.340s
D.336s

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