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
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Related Questions:
To go a certain distance of 40 km upstream a rower takes 8 hours while it takes her only 5 hours to row the same distance downstream. What was the rower’s speed in still water?
ഒരു ബോട്ട് Aയിൽ നിന്ന് Bയിലേക്കും തിരിച്ചും 4 മണിക്കൂർ കൊണ്ട് എത്തുന്നു. നിശ്ചലജലത്തിൽ ബോട്ടിന്റെ വേഗം 8 km/hr. ഒഴുക്കിന്റെ വേഗം 2 km/hr ആണെങ്കിൽ Aയിൽ നിന്ന് Bയിലേക്കുള്ള ദൂരം എത്ര?
A boat covers 12 km upstream and 18 km downstream in 3 hours, while it covers 36 km up- stream and 24 km downstream in 6 hours. What is the speed of the current ?
The current of a stream runs at the rate of 4 km an hour. A boat goes 6 km and comes back to the starting point in 2 hours. The speed of the boat in still water is
A boat is moving 2 km against the current of the stream in 1 hour and moves 1 km in the direction of the current in 10 minutes. How long will it take the boat to go 5 km in stationary water?