A swimmer can swim in stil water with 5 ms. If a river is flowing with 4 ms then find the time to cross the river of width 300 m if he has to reach exactly opposite point:
a. 60 second
b. 75 second
c. 100 second
d. 100/3 second
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a . hope it helps you please mark me as brainliest please option a is the correct answer
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