A Man Crosses A 320 M Wide River Perpendicular To The Current In 4 Minutes. If In Still, Water He Can Swim With A Speed 5/3 Times That Of The Current, Then The Speed Of The Current, In M/min Is?
A man crosses a 320 m wide river perpendicular to the current in 4 minutes. If in still, water he can swim with a speed 5/3 times that of the current, then the speed of the current, in m/min is?
(1) 30
(2) 40
(3) 50
(4) 60.
asked Jun 13 12:00:00 AM