Question

A person can swim in still water with velocity 10m/min. If the river flows with
velocity 4m/min and width of the river is 500m, he can cross the river in the
shortest time of​

Answer 1

Answer:

If the river flows with velocity 4m/ minute and width of the river is 500m, he can cross the river in the shortest time of

Answer 2

Answer:

this is your answer