A, B and C started a business by investing in the ratio 1/5 : 1/4 : 2/6. After 6 months C withdrew 1/4 of his investment. If after 1 year from start of ...
Speed of a boat in still water is 15 km/h while the speed of the stream is ____ km/h. Total time taken by the boat to go 150 km upstream and 225 km down...
A boat travels 30 km upstream and 40 km downstream. The speed of the stream is 5 km/h, and the boat’s speed in still water is 15 km/h. How much time d...
The ratio of the speed of the boat in upstream to that of in downstream is 2:3, respectively. If the speed of the current is 6 km/h, then find the speed...
Speed of a boat in still water is 9 km/hr. It goes 12 km downstream and comes back to the starting point in three hours. What is the speed of water in t...
The speed of a boat in calm water is 4 km/hr greater than the speed of the stream. The boat travels a distance of 280 km downstream and 200 km upstream ...
A boat takes 7 hours to cover 266 km upstream and 9 hours to cover 468 km downstream. Find the time taken by the boat to cover 528 km upstream and 540 k...
The speed of a boat in still water is 25 km/hr. If the boat covers 120 km in upstream in 12 hours, then find the time taken by the boat to travel 160 km...
When a speed of stream is 25% of the speed of boat in still water. If the boat can travel 60 km upstream in 5 hours and 80 km downstream in 4 hours, the...
The speed of a boat in still water is 6 km/hr and speed of current is 4 km/hr. If time taken to cover a certain distance upstream is 10 hours, then how ...