Question

a river is flowing from west to east at a speed of 5 metre per minute .A man on South Bank of the river capable of swimming at 10 metre per minute in still water ,what's to swim across the river in the shortest time. He should swim in the direction.
1 )due north
2) 30 degrees east of north
3)30 degrees north to West
4)60 degrees east to north​

Answer 1

Answer:

60 degrees east to north

Answer 2

Answer:

60 degrees east to North.