A boat covers a 48 km distance downstream in 4 hours. The speed of the stream is 3 km/h. If the speed of the boat is reduced by 50% then, find the time in which the boat will cover the same distance upstream.

The speed of the boat in still water is 6 km/hr. While the river is flowing at a speed of 1.2 km/hr and the boat takes 5 hours to row to a place and back. How far is the place?

The ratio of the speed of a motorboat to that of the speed of the current is 31: 6. The motorboat starts from a point and covers a certain distance along the current in 4 h 10 min. Find the time taken by the motorboat to come back to its initial point.

A boat takes 11 hours to travel a distance upstream and takes 5 hours to travel the same distance downstream. If the speed of the boat in still water is 2\(\frac{2}{9}\) m/sec, then the speed of the stream (in km/h) is:

A boat covers 24 km upstream and 36 km downstream in 10 hours and 36 km upstream and 24 km downstream in 12 hours. The speed of the current is:

The ratio of the speed of the boat in still water to the speed of the stream is 8:3 and the boat can travel 22 km downstream in 24 minutes. Then, how much time will the boat take to cover 50 km upstream?

A motorboat takes 18 hours to go downstream, and it takes 36 hours to return the same distance. Find the ratio of the speed of the boat in still water to the speed of the stream.

A speedboat, whose speed in 20 km/h in still water, goes 35 km downstream and comes back in a total of 8 hours. What is the speed of the stream?

A motorboat takes 18 hours to go downstream, and it takes 36 hours to return the same distance. Find the ratio of the speed of the boat in still water to the speed of the stream.

A boat can travel 104 km downstream in 8 hours. If the speed of the stream is 2 km/h, then find in what time will it be able to cover 13 km upstream?

A person takes 3.5 hours more to row a distance of 10 km upstream than to row a distance of 15 km downstream and the speed of the person is 1.5 times the speed of the stream. Find the speed of the stream.

A boat is initially at point T from where the angle of elevation of the lighthouse is 30°. The height of the lighthouse is 100√3 meters and the speed of the current is 18 km/hr. If the boat takes 10 seconds to reach the lighthouse downstream, what is the speed (km/hr) of the boat in still water?

The ratio between the speed of the current to the speed of the boat in still water is 3 : 11. The downstream speed is what percent of the upstream speed?

A boat takes 2 hours less to travel 70 km downstream than to travel the same distance upstream. Find the speed of the stream, if the speed of the boat in still water is 12 km/hr.

A boat takes 2 hours 30 minutes to cover a certain distance upstream and 2 hours to cover the same distance downstream. Find the speed of the stream if the speed of the boat in still water is 5.8 km/hr.

A boat covers a distance of 72 km downstream in 6 hours, while it takes 12 hours to cover the same distance upstream. What is the speed of the boat in still water?

A boat sails 36 km of a river towards upstream in 6 hours. How long will it take to cover the same distance downstream, if the speed of current is one-seventh the speed of the boat in still water?

A man can row a boat 45 km downstream and 30 km upstream in a total of 5 hours. If the time taken to go 45 km downstream is equal to the time taken to go 30 km upstream, find the speed of the man in still water ?

The speed of a boat in still water is 13 km/h. The speed of the water current is 4 km/h. In what time can the boat cover 68 km upstream?  

A boat goes a distance of 348 km upstream in 58 hours and a distance of 544 km downstream in 68 hours. Find the speed of the boat in still water. (in kmph)

If the speed of a boat in still water is 10 m/s and the speed of the stream is 3 m/s. What is the time taken by the boat to cover a distance of 210 m upstream?

Ashok rows 43.5 kmph in still water. If the river is running at 14.5 kmph, it takes him 90 minutes to row to a place and back. How far is the place from the starting point? (In km)

Sanjana can row a boat at 9 km/h in the still water. It takes her twice as long to row up a certain distance as to row down the same distance in the river. What is the rate of the stream (in km/h)?

A boat can go 54 km upstream in 6 hours. If the speed of the stream is 4.8 km/h, then how much time (in hours) will the boat take to cover a distance of 279 km downstream?

The ratio of the time taken to row a certain distance upstream to the time taken to go downstream is 4: 1. What is the ratio of the downstream to that upstream? 

A boat can travel 30 km in one hour in still water and travels the same distance against the stream in 90 minutes. How much time will the boat take to travel 80 km in the direction of the stream?

The speed of a boat in still water is 20 km/h, while the river is flowing at a speed of 8 km/h and the time taken to cover a certain distance upstream is 6 hour more than the time taken to cover the same distance downstream. Find the distance.

The speed of a boat in still water is 44 km/hr and the speed of a stream is 26 km/hr. Find the upstream speed of boat.

What is the speed of the boat in the still river when the boat can cover 20km of the upstream distance in 8 hours and the speed of the stream is 5km/h?

The speed of a boat in still water is 18 km/hr and the speed of current is 6 km/hr. In how much time (in hours) will a boat travel a distance of 90 km upstream and the same distance downstream?

A man can row 5 km/h in still water. If the speed of the current is 2.5 km/h, it takes 4  hours more upstream than downstream for the same distance. The distance is: 
 

A boat covers 35 km downstream in 2 h and covers the same distance upstream in 7 h. Find the speed (in km/h) of the boat in still water

A river is running at 2 kmph. A boat goes 40 km upstream from A to B and also returns from B to A in total 10 hours. The speed of the boat in still water is:

The ratio of the speed of the boat in still water to the speed of the stream is 8:3 and the boat can travel 22 km downstream in 24 minutes. Then, how much time will the boat take to cover 50 km upstream?

To go a distance of 144 upstream, a rower takes 12 hours while it takes her only 9 hours to row the same distance downstream. What is the speed of the stream?

A motorboat takes 18 hours to go downstream, and it takes 36 hours to return the same distance. Find the ratio of the speed of the boat in still water to the speed of the stream.

A boat goes 348 upstream in 58 hours and a distance of 544 km downstream in 68 hours. Find the speed of the boat in still water. (in kmph)

A boat is moving 3 km against the current of the stream in 1 hour and moves 1 km in the direction of the current in 12 minutes. How long will it take the boat to go 6 km in stationary water?

The ratio of time taken by the boat to row in downstream to upstream is 3 : 5. Find the ratio of the speed of the boat to the speed of current, if it covers equal distance.

If the speeds of a boat in upstream and downstream are 18.66 m/s and 28.98 m/s, then what is the speed of the stream (in m/s)?

A boatman rows to a place 30 km distant and back in 14 hours. He finds that he can row 10 km with the stream at the same time as 4 km against the stream. Find the speed (in km/h) of the stream.

The ratio of the speed of a boat to that of the current water is 35 : 8. The boat goes along with the current in 5 hours 10 minutes. What will be the time taken by the boat to come back?

A man takes twice as long to go upstream as to row downstream. What is the ratio of the speed of the boat in still water and the speed of the stream?

The ratio of the time taken to row a certain distance upstream to the time taken to go downstream is 4: 1. What is the ratio of the downstream to that upstream? 

Ashok rows 43.5 kmph in still water. If the river is running at 14.5 kmph, it takes him 90 minutes to row to a place and back. How far is the place from the starting point? (In km)

Ravi can row a boat in still water at the speed of 14 km/h. If a river is flowing at the speed of 2 km/h and Ravi takes 3 hours to cover a certain distance upstream, then how much time will he take to cover the same distance downstream?

If the speed of a boat in still water is 10 m/s and the speed of the stream is 3 m/s. What is the time taken by the boat to cover a distance of 210 m upstream?

A boat goes 155 km upstream in 31 hours and a distance of 224 km downstream in 32 hours. Find the speed of the boat in still water. (In kmph)

A boat covers a distance of 105.6 km in 12 hours while travelling upstream. The speed of the stream is 3.7 km/hr. Find the distance travelled in 9 hours while travelling downstream.

A person rows a boat upstream to a certain point A and then returns downstream to the starting point in 4 hours. The speed of the boat in still water is 20 km/h, and the speed of the stream is 5 km/h. Find the distance from the starting point to point A.