Question
A boat goes 7 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
- If a man rows at the rate of 17 kmph in still water and his rate against the current is 7 kmph, then find the man’s speed with downstream. &nbs...
- A boat can cover 90 km upstream and 225 km downstream in 15 hours. Speed of the stream is how much less than the speed of the boat in still water if the bo...
- A boat covers a distance of 338 km upstream in 13 hours. After rain, the speed of the stream increases by 50%, and the speed of the boat in still water dec...
- 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 motorboat moves downstream at 56 km/h. After completing half of the route, the stream’s speed rises by 25%. Because of this, the boat reaches 20 minutes ...
- A boat covers a distance of 108 km downstream in 3 hours. If the ratio of upstream speed to downstream speed of the boat is 5:9, then find the distance tra...
- The speed of a boat in still water is 30 km/hr. If the boat covers 160 km in upstream in 8 hours, then find the time taken by the boat to travel 120 km in ...
- The duration needed to travel (x – 36) km upstream equals the time taken to go (2x – 72) km downstream. If the boat’s speed is 10.5 km/h and the current fl...
- 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 8:5:2, respectively. If the time ta...
- Calculate the speed of a boat in still water if it travels 176 km downstream in 11 hours and returns 144 km upstream in 18 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
