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The correct answer is D
The speed of a boat in still water is 8 km/hr and speed of current is 4 km/hr. If time taken to cover a certain distance upstream is 12 hours, then how ...
A boat covers 72 km upstream and 108 km downstream in 6 hours and 4.5 hours, respectively. Find the time taken by the same boat to cover 150 km in still...
A boat takes 1/4th time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of current is?
A boat takes 7 hours to cover 294 km upstream and 9 hours to cover 486 km downstream. Find the time taken by the boat to cover 720 km upstream and 616 k...
The ratio of the speed of boat ‘A’ in still water, the speed of boat ‘B’ in still water and the speed of the current is 8:5:2, respectively. If ...
A submarine can travel a certain distance downstream in 4 hours and the same distance upstream in 8 hours. If the submarine's speed in still water is 12...
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 boy can swim a certain distance downstream in 2 hours and return in 5 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
A boat goes 60 km in upstream in 5 hours and takes 3 hours to complete a distance of 12 km in downstream. Find the speed of boat in still water.
A boat running downstream covers a distance of 48 km in 3 hrs and covering the same distance upstream in 12 hrs. What is the speed of a boat in still wa...
