If a man can swim downstream at 6 kmph and upstream at 2 kmph, his speed in still water is : 1) 4 km/hr 3) 3 km/hr 2) 2 km/hr 4)'2.5 km/hr
If a man can swim downstream at 6 kmph and upstream at 2 kmph, his speed in still water is :
1) 4 km/hr
3) 3 km/hr
2) 2 km/hr
4)'2.5 km/hr