In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is :
A3 km/hr
B8 km/hr
C5 km/hr
D9 km/hr
A3 km/hr
B8 km/hr
C5 km/hr
D9 km/hr
Related Questions:
A man rows 750 m in 600 seconds against the stream and returns in minutes. Its rowing speed in still water is (in km/ hr).