The correct answer is D
The speed of the boat in still water is 10 km/h and the speed of the stream is 6 km/h. A boat goes 48 km downstream with its usual speed but at t...
"A boat takes 60 seconds to travel ______ metres downstream and 40 seconds to travel ______ metres upstream in the same river. The speed of the stream i...
Speed of a boat in still water is 20 km/h while the speed of stream is ____ km/h. Total time taken by the boat to go 200 km upstream and 300 km downstre...
A boat takes 5 hours to cover 190 km upstream and 8 hours to cover 416 km downstream. Find the time taken by the boat to cover 528 km upstream and 540 k...
A boat takes 1/12th time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the curren...
A man can row at 7 kmph in still water. If the velocity of current is 5 kmph and it takes him 7 hour to row to a place and come back, how far is the place?
A ship requires 9 hours to travel a distance of 216 km downstream and 210 km upstream. If the ratio of the ship's speed in calm waters to the speed of t...
A boy can swim in water with a speed of 15 km/hr in still water. If the speed of the stream is 8 km/hr, what will be the time taken by the boy to cover ...
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 submarine can navigate 112 km upstream and 130 km downstream, and it takes a total of 8 hours and 6 minutes to complete this journey. Now, the task is...
