Question

24. A swimmer can swim at a speed 15 m/min. If he wants to cross a river of width 150 m which is flowing with a speed
of 10 m/min. Find minimum time in which he can cross the river.
(a) 15 min
(b) 10 min
(c) 20 min
(d) 30 min​

Answer 1

Answer:

I think the answer is is 10 min