Question
A boat takes 4 hours to travel a distance of '4D' km upstream. However, it covers a distance of (4D + 8) km downstream in just 2 hours. Given that the boat's speed in still water is 8 km/h, determine the value of 'D'.
More Boats and streams Questions
- 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...
- 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 145 km in downstream in 5 hours and 144 km in upstream in 8 hours. Find the speed of boat in still water.
- If the sum of upstream and downstream speed is 20 km/hr and the speed of the current is 5 km/hr. Then find time taken to cover 45 km in downward?
- Time taken by a boat to cover 180 km in downstream is the same as to cover 140 km in upstream. Find the time taken by the boat to cover 360 km in downstrea...
- Speed of a boat in still water is 15 kmph and speed of stream is 12 kmph. A man rows to a place at a distance of 54 km and come back to starting point. The...
- A boat takes 18 hours to cover 216 km upstream and 12 hours to cover the same distance downstream. Find the time taken by the boat to cover 180 km in still...
- Speed of the boat in still water and the downstream speed of the boat are in the ratio of 5:6 respectively. The boat covers 80 km upstream and 72 km downst...
- A boat moves at a speed of 11 km/hr in still water, while the current speed is 5 km/hr. If it takes a total of 20 hours to go ‘x’ km both upstream and down...
- The speed of current is 30 km/hr. If the speed of the boat in still water had been 13 km/hr more than the original speed then it would take 7.5 hours to co...
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