The speed of boat in still water 9 kmph and speed of stream is 3 kmph. Find the time taken by boat to cover 12 km upstream.
A2 hours
B3 hours
C4 hours
D5 hours
A2 hours
B3 hours
C4 hours
D5 hours
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).