Question
A boat takes 7 hours to cover 245 km upstream and 9 hours to cover 477 km downstream. Find the time taken by the boat to cover 410 km upstream and 495 km downstream if speed of boat in still water is increased by 4 km/h and speed of stream is decreased by 2 km/h.
More Boats and streams Questions
- 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 ...
- A man can row 7 km/hr in still water. If the speed of the current is 3 km/hr, it takes 6 hours more in upstream than in the downstream for the same distanc...
- A man rows a boat 24 km downstream in 3 hours and rows the same distance upstream in 4 hours. What is the speed of the boat in still water?
- A boat travels 27 km upstream in 3 hours and 45 km downstream in 3 hours. What is the speed of the boat in still water?
- A boat can travel 4.2km upstream in 14min. If the ratio of the speed of the boat in still water to the speed of the stream is 7:1. How much time will the b...
- A boat moving upstream takes 8 hours 48 minutes to cover a distance while it takes 4 hours to return to the starting point, downstream. What is the ratio o...
- A boat can cover 190 km in downstream in 19 hours and 125 km in upstream in 25 hours. Find the speed of boat in still water.
- The speed of current is 18 km/hr. If the speed of the boat in still water had been 7 km/hr more than the original speed, then it would take 8 hours to cove...
- A boat racer can row 45/2km/h in still water. If the speed of river is 12.5 km/h, it takes him 40 minutes to row to a place and back, how far off is the pl...
- The speed of a boat in still water is 15 km/hr, and the speed of the stream is 20% of the speed of the boat in still water. Find the total time taken by th...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
