Question
The speed of the boat in still water is 7 km/hr and the speed of the stream is 5 km/hr. A boat goes 72 km downstream with its usual speed but at the time of returning the speed of the boat in still water is doubled. Find the total time taken by boat to cover the whole distance.
TYPE 34
More Boats and streams Questions
- 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...
- A boat can travel 18 km more in downstream than that in upstream, in 9 hours while the difference between the time taken by the same boat to travel 200 km ...
- The speed of the boat in still water is ‘y’ % more than the speed of the boat in upstream. The time taken by the boat to cover (2d+50) km distance in downs...
- The speed of a boat in still water is 12 km/h , and the speed of the stream is 3 km/h . How much time will it take to travel 30 km upstream and 30 km ...
- A man swims downstream 60 km and upstream 36 km, taking 12 hr each time. Find the man’s rate in still water?
- Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 40 minutes to cover 15 km in downstream, then find the s...
- The speed of a motorboat in still water is 50 km/hr. If the motorboat travels 120 km along the stream in 1 hour 30 minutes, then the time taken by it to co...
- The water in a river flow at the rate of 4 km per hour if the width and depth of the river are 8 M and 4 m respectively then how much water will enter the ...
- A boat takes 6 hours to cover 108 km in downstream. The ratio of the speed of the boat in still water to the speed of the stream is 8:1. Find the speed of ...
- The speed of current is 12 km/hr. If the speed of the boat in still water had been 15 km/hr more than the original speed, then it would take 9 hours to cov...
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
