Question
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) is :
More Boats and streams Questions
- A man can row 25/2 km an hour in still water and he finds that it takes him thrice as long as long to row down the river. The rate of stream is:
- Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 46 minutes to cover 23 km in downstream, then find the s...
- The ratio of downstream speed to upstream speed of a boat is 5:3. If the boat can cover 160 km in still water in 10 hours, then find the difference between...
- A car can cover a ‘2d’ km distance at the speed of ‘B’ km/h in 30 hours. The speed of the boat in still water and the speed of the stream are ‘B’ and ‘C’ r...
- The speed of a boat in still water and the speed of the stream are in the ratio 7:2. If the boat takes 12 hours to travel 240 km upstream, how long will it...
- The speed of boat 'X' in upstream is 18 km/hr and speed of boat 'Y' in downstream is 30 km/hr. If the difference between speeds of boat 'X' and 'Y' in stil...
- A boat moves 25km upstream and 39km downstream in 8 hours. It travels 35km upstream and 52km downstream in 11 hours. What is the speed of the stream if it ...
- A boat's speed in still water is 200% greater than the speed of the stream. The boat takes 13 hours to travel 180 km downstream and 66 km upstream. How muc...
- What is the speed of boat in still water? Statement I: It takes the boat thrice as much time to row up than as to row down the same distance in the river....
- The Speed of the ship in calm water is five times the speed of the stream. If the ship can travel 's + 30' km downstream or 's - 10' km upstream in 5 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