The correct answer is D
The speed of boat in still water is 48 kmph. If it takes 5 hour to go upstream 40 kms, in what time approximately will it return same distance downstrea...
Speed of boat in downstream is 45% more than speed of boat in still water. If speed of stream is 9 km/h, then find the time taken by the boat to cover 8...
A man rows a certain distance downstream in 5 hours and back to the same point in 8 hours. If the speed of the stream is 4.5 km/hr then what is the spee...
The speed of a boat in still water increases by 4 km/hour after each hour. The speed of stream is 3 km/hour. If the boat travelled 60 km in 3 hours in d...
Speed of a boat in still water is 15 kmph and speed of stream is 12 kmph. A man rows to a place at a distance of 81 km and come back to starting point. ...
A man can row 25/2 km an hour in still water and he finds that it takes him thrice as long as long to row down the river. The rate of stream is:
Time taken by a boat to cover 180 km in downstream is the same as to cover 140 km in upstream. Find the time taken by the boat to cover 360 km in downst...
A captain can navigate a ship at a speed of 5 km/hr in calm waters. With a current moving at a speed of 3 km/hr, he takes 12 hours longer to travel 'd' ...
The speed of a motorboat in still water is 50 km/hr. If the motorboat travels 120 km along the stream in 1 hour 30 minutes, then the time taken by it t...
A Boat travel 80 km distance in downstream and 48 km upstream and the total time taken is 20 hours. The same boat travels 30 km distance in downstream a...
