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A Boy can swim 12 km/hr in still water. If the velocity of the stream is 6 km/hr, the time taken by him to swim a place 28 km upstream and back is
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...
The downstream speed of a boat is 75% greater than its upstream speed, and the speed of the stream is 3 m/s. How far can the boat travel in still water ...
A boat covers a distance of 338 km upstream in 13 hours. After rain, the speed of the stream increases by 50%, and the speed of t...
The speed of a boat in still water is 40% higher than the speed of the stream. The boat takes 4 hours to travel 96 km downstream. If the boat's speed in...
The speed of boat 'X' in upstream is 18 km/hr and speed of boat 'Y' in downstream is 30 km/hr. If the difference between speeds of boat 'X' and 'Y' in s...
The speed of a boat in still water is 4 times more than that of the current. If the boat takes 9 hours to cover 108 km upstream, then find the time take...
A boat goes 40km upstream in 8 hours and 36km downstream in 6 hours. The speed of the boat in still water.
A boat can travel 50 km upstream in 5 hours and 60 km downstream in 4 hours. Find the speed of the boat in still water.