Question

if a man can swim downstream at 6kmph and upstream at 2kmph.what will be his speed in still water (in kmph ) m​

Answer 1

Answer:

downstream speed (a) = 6 km/h

upstream speed (b) = 2 km/h

speed in still =

2

1

(a+b)=

2

1

(6+2)=4

or

water rate + man's rate = 6

water rate - man's rate = 2

2 water rate = 8

waterrate=4

man

′

srate=2