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? – (22 × 25 + 70% of 160) = 272 ? – (550 + 0.7 × 160) = 729 ? – (550 + 112) = 729 ? = 729 + 662 ? = 1391
The speed of boat downstream and upstream is 30 km/hr and 20 km/hr respectively. Time taken to travel a distance of (a + 50) km downstream and (b + 25) ...
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 825 km downstream is 16.5 hours. Find t...
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.   Â
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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 ...
Speed of a boat in still water is 5 times more than the speed of stream. If boat covers 147 km in downstream in 7 hours, then find the time taken by the...
A ship covers 96 km upstream and 144 km downstream in 8 hours and 6 hours, respectively. Find the time taken by the same ship to cover 180 km in still w...
A man rows a boat a certain distance downstream in 9 hours, while it takes 18 hours to row the same distance upstream. How many hours will it take him t...
The speed of a boat in still water is 16/5 km/ h. It was found that the boat takes thrice as much time to row up as it does to row down the same distanc...
Boat ‘A’ can cover 180 km in still water in 12 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 3:4 and the sp...
