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The correct answer is B
The speed of a boat in still water is 30 km/hr. If the boat covers 180 km in upstream in 12 hours, then find the time taken by the boat to travel 180 km...
A man rows a boat a certain distance downstream in 9 hours, while it takes 18 hours to row the same distance upstream. How many hours will it take him t...
A boy can swim a certain distance downstream in 3 hours and return in 5 hours. If the rate of stream is 6 kmph then what is the speed of boy in still wa...
A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still wa...
A boat sailor begins rowing from point X, moving against the stream for 30 minutes. After that, he turns around and rows with the stream for another 30 ...
A boat running downstream covers a distance of 36 km in 6 hrs and covering the same distance upstream in 9 hrs. What is the speed of a boat in still water?
The speed of a boat in still water is 12 times the speed of the stream. If the difference between the upstream and downstream speed of the boats is 20 k...
Speed of boat is 10 km/hr. Speed of the stream is 20% less than speed of boat. Then find time taken by boat to go 90 km downstream?
Speed of boat is 10 km/hr. Speed of the stream is 20% less than speed of boat. Then find time taken by boat to go 54 km downstream?
