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Let two numbers be A and B. => A:B = 6x:14x LCM = 6 × 14 × x = 42x => 42x = 126 => x = 3 A = 6x = 6 × 3 = 18 B = 14x = 14 × 3 = 42
Find the total distance covered by boat in each upstream and downstream in 6 hours if the speed of boat in still water and speed of current is 18 km/h a...
Speed of current is equal to 35% of speed of boat in still water. If the boat takes 7 hours to cover 140 km in still water, then find the time taken by ...
A boatman takes 9 hours to cover 64 km downstream and 60 km upstream. If the ratio of his speed downstream to his speed upstream is 4:3, what is the spe...
A boat can cover 84 km upstream and 252 km downstream in 14 hours. Speed of the stream is how much less than the speed of the boat in still water if the...
A ferry takes 108 minutes to row to place B from another place A along the stream. The distance between place A and place B is 32.4 km. If the speed of ...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 20 minutes to cover 15 km in downstream, then find th...
A boat can cover 72 km upstream and 180 km downstream in 12 hours. Speed of the stream is how much less than the speed of the boat in still water if the...
The speed of a boat in still water is 7 km/hr and speed of current is 4 km/hr. If time taken to cover a certain distance upstream is 22 hours, then how ...
Two boats X and Y start towards each other from two places, 76 km apart. Speed of the boat X and Y in still water are 8 km/hr and 11 km/hr respectively....
Speed of a motorboat in still water is 50 km per hour if the motorboat travels 80 km along the stream in 1 hour 20 minutes, then the time taken by it to...
