Question
A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 3 kmph then what is the speed of boy in still water?
More Boats and streams Questions
- A boat takes 28 hours for travelling downstream from point A to point B and coming back to point C midway between A and B. If the velocity of the stream is...
- A boat takes a total of 6 hours to go 24 km downstream and return 24 km upstream. The stream speed is 3 km/h. Find the speed of the boat in still water.
- A man can row his boat with the stream at 22 km/h and against the stream in 7 km/hours. The man’s rate is
- A man can row at a speed of 64 km/h in still water to a certain upstream point and back to the starting point in a river which flows at 8 km/h. Find his av...
- A ship requires 9 hours to travel a distance of 216 km downstream and 210 km upstream. If the ratio of the ship's speed in calm waters to the speed of the ...
- When travelling with the current, a man takes 4 hours to cover the distance that he would've covered in 12 hours while travelling against the current. If t...
- The ratio of the speed of boat in upstream to speed of boat in downstream is 7:9. If the boat can cover a total of 119 km upstream and 162 km downstream in...
- A boat goes 24 km upstream in 3 hours and 42 km downstream in 3 hours. Find the speed of the boat in still water.
- The speed of the boat in still water is 11 km/hr and the speed of the stream is 7 km/hr. A boat goes 90 km downstream with its usual speed but at the time ...
- Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 25 minutes to cover 25 km in downstream, then find the s...
Relevant for Exams:
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