Motor boat covers a certain distance downstream in 10 hours. It covers the same distance upstream in 15 hours. If the speed of the water is 9 km/hr, t...
The speed of current is 35 km/hr. If the speed of the boat in still water had been 10 km/hr more than the original speed then it would take 6.2 hours to...
A boat takes one-third time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the cur...
A boat’s speed in still water is 1.5 times the speed of the current. It takes the boat 22.5 hours to travel 90 km upstream. If ...
A motorboat moves downstream at 30 km/h over a distance of 480 km. After completing half the distance, the stream’s speed becomes 50% higher than befo...
Speed of a boat in still water is 48 km/h and the speed of stream is 25% of the speed of boat in still water. If the time taken by boat to cover a dista...
Speed of a boat in still water is 12 kmph and speed of stream is 6 kmph. A man rows to a place at a distance of 72 km and come back to starting point. T...
A Motarboat running upstream takes 6 hours and 45 minutes to cover a distance, while it takes 3 hours to cover the same distance running downstream. Det...
The boat's speed in still water is 20% greater than the speed of the stream. If it takes the boat 4 hours more to travel 176 km d...
A person rows 300 km against the current in 5 hours and travels 540 km along the current in 6 hours. How much time will he take to row 660 km in still w...
