Question
If the sum of upstream and downstream speed is 30 km/hr and the speed of the current is 6 km/hr. Then find time taken to cover 84 km in downward?
More Boats and streams Questions
- A boat's speed in still water is 12 km/hr, and the current’s speed is 4 km/hr. If the boat takes a total of 18 hours to travel ‘x’ km each in both directio...
- The speed of a boat in still water is 7.5 times the speed of the stream. If the difference between the upstream and downstream speed of the boats is 40 km/...
- A boat takes 3 hours to travel 54 km downstream and 3 hours to travel 42 km upstream . What is the speed of the boat in still water ?
- The speed of the boat in still water is 10 km/h and the speed of the stream is 6 km/h. A boat goes 48 km downstream with its usual speed but at the time of...
- A boat takes 12 hours to cover 96 km while travelling in upstream. If the speed of the stream is 4 km/h, then find the time taken by the boat to cover the ...
- 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...
- Boat speed in still water = 12 km/h, stream speed = 3 km/h. Time to go 30 km downstream and return 30 km upstream?
- A boat goes 8 km an hour in still water, but takes twice as much time in going the same distance against the current. The speed of the current (in km/hour)...
- A boat takes 30 hours to move 300 km upstream. If the boat doubles its speed, then it covers 300 km downstream in 6 hours. Find the speed of the stream.
- A boat can cover 210 km in downstream in 10 hours and 160 km in upstream in 8 hours. Find the distance travelled by the boat in still water in 6 hours.
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
