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49th Parallel - USA & Canada Maginot Line - France & Germany 38th Parallel - North & South Korea Germany and Poland - Oder Niesse Line
A boy can swim in water with a speed of 14 km/hr in still water. If the speed of the stream is 6 km/hr, what will be the time taken by the boy to cover ...
The speed of a boat going upstream is 20% slower than when it is traveling downstream. The boat travels 90 km in still water over a period of 4 hours. C...
A boat can cover a distance of 64 km downstream in 4 hours less time than it takes to travel the same distance upstream. If the current of the stream fl...
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...
The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 925 km downstream is 18.5 hours. Find t...
A boat running downstream covers a distance of 56 km in 7 hrs and covering the same distance upstream in 14 hrs. What is the speed of a boat in still wa...
The speed of the boat in still water is 12 km/hr and the speed of the stream is 9 km/hr. A boat goes 84 km downstream with its usual speed but at the ti...
Two boats A and B start towards each other from two places,108km apart. The speeds of boats A and B in still water are 12km/h and 15km/h respectively. i...
A boat goes 52 km in upstream in 4 hours and takes 3 hours to complete a distance of 21 km in downstream. Find the speed of boat in still water.
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...