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Input/output is the process of transferring data between a program and an external device. A buffer is a temporary storage location for data while the data is being transferred.
A motor boat goes downstream from point A to B ,which is 36 km away from point A, and then returns to A. If actual speed of the boat in still water is 7...
A ship, when moving against the current, can travel a distance of 240 km in 8 hours. If the ship's speed in calm waters is 40 km/hr, how many hours will...
Speed of boat is 15 km/hr. Speed of the stream is 20% less than speed of boat. Then find time taken by boat to go 108 km downstream?
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 the stream is 14 km/h. Boat ‘A’ covers 130 km distance against the stream in 5 hours and boat ‘B’ covers 100 km distance against th...
The speed of a boat in still water is 45 km/hr, and the speed of the stream is 5 km/hr. The boat takes 30 minutes longer to cover a distance of x km ups...
A man can row upstream at 18 km/hr and downstream at 24 km/hr. Find the man’s rate in still water and the rate of the current.
...If a boat travels 35 km more in downstream than in upstream in 5 hr and if the speed of the boat in still water is 25 km/hr, then find the distance trav...
A boat travels downstream at a speed that is (13/12) times its speed in still water. If the boat takes 3 hours to cover 132 km going upstream, how long ...
A boat can row downstream at 24 km and upstream 16 km in 8 hours. Then what is the velocity of the current ?
