Question
A boat can cover 176 km in downstream in 10 hours and 140 km in upstream in 14 hours. Find the speed of boat in still wate
Solution
Downstream speed of the boat = 176/10 = 17.6 km/hr Upstream speed of the boat = 140/14 = 10 km/hr Speed of boat in still water = (17.6 + 10)/2 = 13.8 km/hr
More Boats and streams Questions
- Time taken by boat to cover 150 km upstream is three-fifths of the time taken by boat to cover 300 km downstream. If speed of stream is 5 km/h, then find t...
- The speed of a boat in still water is 15 km/h and the speed of the stream is 3 km/h. It goes from point A to point B downstream and returns upstream, takin...
- The speed of the stream is 10 km/h. Boat ‘A’ covers 180 km distance against the stream in 6 hours and boat ‘B’ covers 90 km distance against the stream in ...
- Speed of a boat in still water is 20 km/h while the speed of stream is ____ km/h. Total time taken by the boat to go 200 km upstream and 300 km downstream ...
- Speed of a ship is 6 m/s, which increases by 2 m/s after every 5 minutes. It travels upstream for 15 minutes and then travels downstream for 15 minutes. If...
- A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
- Speed of current is equal to 20% of speed of boat in still water. If the boat takes 4 hours to cover 120 km in still water, then find the time taken by the...
- A boat takes 4 hours to travel a distance of '4D' km upstream. However, it covers a distance of (4D + 8) km downstream in just 2 hours. Given that the boat...
- A boy can swim in still water at a speed of 15 km/hr. If the speed of the current would have been 9 km/hr, then the boy could swim 48 km
- A boat takes 270 minutes to travel 90 km in upstream. The same boat in the same stream takes 120 minutes to travel 50 km in downstream. Find the distance t...
