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
- The speed of a boat in still water is 4 times more than that of the current. If the boat takes 9 hours to cover 108 km upstream, then find the time taken b...
- 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)...
- The speed of a boat in still water is 32km/hr and the speed of the current is 8km/hr. It takes a total of 15hours to row to upstream from Point A to B and ...
- A boat can cover 110 km in upstream in 11 hours and 140 km in downstream in 7 hours. Find the speed of the stream.
- A man swims downstream 60 km and upstream 36 km, taking 12 hr each time. Find the man’s rate in still water?
- A person rows 300 km against the current in 5 hours and travels 540 km along the current in 6 hours. How much time will he take to row 660 km in still wate...
- 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.
- The ratio of the speed of boat ‘A’ in still water, the speed of boat ‘B’ in still water and the speed of the current is 11:5:2, respectively. If the time t...
- A launch covers 225 km in downstream in 5 hours. If the upstream speed is one-third of the downstream speed, find the time needed to travel 150 km upstream...
- The speed of the stream is 20 km/h. Boat ‘A’ covers 120 km distance against the stream in 6 hours and boat ‘B’ covers 120 km distance against the stream in...
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
