A motorboat whose speed is 20 km/h in still water takes 30 minutes more to go 24 km upstream than to cover the same distance downstream. If the speed of the boat in still water is increased by 2 km/h, then how much time will it take to go 39 km downstream and 39 km upstream?

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?

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 boat racer can row \(21{{3} \over 2}\) km/h in still water. If the speed of river is 12.5 km/hr, it takes him 40 minutes to row to a place and back, how far off is the place (consider up to two decimals)?

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 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 boat goes 10 km upstream in 50 minutes, and the speed of the stream is 3 kmph, Find the speed of the boat in still water. (in kmph)

The upstream speed of a boat is 8 km/h and the downstream speed is 15 km/h. What is the speed of the boat in still water and the speed of the stream (in km/h), respectively?

A man takes 4 hours and 30 minutes to row a boat a distance of 18 km downtream, and 3 hours 30 minutes to row the boat a distance of 7 km upstream. Find the speed of the stream.

A man rows a boat a certain distance downstream in 9 hours, while it takes 18 hours to row the same distance upstream. How many hours will it take him to row three-fifth of the same distance in still water?

A man rows his boat 525 m in 250 seconds along the stream and returns in 7\(1\over2\) minutes. The rowing speed in still water (in km/h) is:

The Iceland team, while rowing, covered a distance of 20 km downstream in 2 hours and the same distance upstream in 5 hours. Find the speed of the stream

Let the speed of the boat in still water be 17 km/h and let the speed of the stream be 5 km/h. What is the time taken by the boat to go 110 km downstream?

A boat's speed in still water is 45 km/h, while the river is flowing at a speed of 15 km/h. The time taken to cover a certain distance upstream is 9 hr more than the time taken to cover the same distance downstream. Find the distance (in km).

The speed of a boat is 12 km/h in still water. It goes 18 km downstream and comes back in a total time of \(6\dfrac{6}{7}\) hours. Find the speed of the stream. (In km/h)

A boat's speed in still water is 9 km/h, while stream’s speed is 1.5 km/h. A man rows to a location 105 km away and then returns to his starting position. The total time taken by him 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:

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?

A boat goes 24 km uptream in one hour more than the time taken to cover the same distance downstream. If the speed of the current of the river is 2 km/h, then what is the speed (in km/h) of the boat in upstream travel?

The speed of a boat in still water is 50 percent more than its speed upstream. If the boat takes 20 minutes to reach point Q from point P downstream, how long will it take to reach point P from point Q upstream?

A man can row upstream at 12 km/h and downstream at 20 km/h. Find the man’s rowing speed in still water, and the rate of current.

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:

The speed of a swimmer downstream is 23km/h. If the speed of the swimmer upstream is 14 km/h, then what is the speed of the stream? 

The speed of a boat along and against the current are 16 km/h and 12 km/h respectively. The speed of the current is:

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.

A boat can go 10 km upstream and 11 km downstream in a total time of 52 minutes. If the speed of the stream is 5 km/h, then what is the speed (in km/h) of the boat when going downstream?

A boat can travel at a speed of 15.5 km/h in still water. If the speed of the stream is 4.5 km/h, then how much time will it take to go 76 km downstream and 104.5 km upstream?

A boatman can row a boat in still water at a speed of 9 km/h. He can also row 44 km downstream and 35 km upstream in 9 hours. How much time (in hours) will he take to row 33 km downstream and 28 km upstream ?

A boat’s speed in still water is 22 km/h, while the river is flowing with a speed of 8 km/h and the time taken to cover a certain distance upstream is 4 hours more than the time taken to cover the same distance downstream. Find the distance.

A boat covers a distance of 375 metres upstream in 30 min, and returns back to the starting point in 18 min. Find the ratio of the speed of the boat in still water and the speed of the stream.

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

The speed of a boat in still water is  5(1/3) km/h. It is found that the boat takes thrice as much time to row up than it does to row down the same distance in the river stream. Find the speed of the river 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.

A boat can cover a distance of 56 km downstream in 3.5 hours. The ratio of the boat in still water and the speed of stream is 3 : 1. How much time (in hours) will the boat take to cover a distance of 41.6 km downstream?

In 4 hours, a boat goes 12 km along the stream. It covers 6 km against the stream in the same time. The speed of the boat in still water (in km/h) is:

The ratio of the speed of a motorboat to that of the speed of 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.

The speed of a boat downstream is 150% more than its speed upstream. If the time taken by the boat for going 80 km downstream and 50 km upstream is 8.2 hours, then what is the speed (in km/h) of the boat downstream?

A boat can go 60 km downstream and 40 km upstream in 12 hours 30 minutes. It can go 84 km downstream and 63 km upstream in 18 hours 54 minutes. What is the speed (in km/h, to the nearest integer) of the boat in still water?

The speed of a motor-boat in still water and the speed of the current of water are in the ratio 20 : 4. To go a certain distance along the current the boat takes 4 hours. Find the time taken by the boat to cover the same distance against the current.

The speed of a boat in still water is thrice the speed of the stream. If the boat takes 15.5 seconds to go to a certain place downstream, then find the additional time required to cover the same distance travelling upstream.

A man can row 18 km/h in still water. It takes him two times as long to row up as to row down the river. Find the rate of the stream.

The speed of a boat down the stream is 125% of the speed in still water. If the boat takes 30 minutes to cover 20 km in still water, then how much time (in hours) will it take to cover 15 km upstream?

Ashu can row 7.5 km an hour in still water. He finds that it takes four times as much time to row upstream, as it takes to row downstream. The speed of the stream is:

A boat goes 10 km upstream and 12 km downstream in 4 hours. It can also go 7.5 km upstream and 7 km downstream in 2.75 hours. What is the speed (in km/h) of the boat when going upstream?

The speed of a boat in still water is thrice the speed of the stream. If the boat takes 15.5 sec to go to a certain place downstream, then find the additional time required to cover the same distance travelling upstream.

A boatman rows 2 km in 10 mins, along the stream and 12 km in 2 hours against the stream. What is the speed of the stream?

Find the speed of a boat in still water if the boat goes 12 km/h along the stream and 4 km/h against the stream.

A speed boat takes 2 hours to travel 9 km downstream and 6 hours to cover the same distance upstream. What will be the speed of the boat (in km) and the speed of the current?

The speed of a boat going downstream is 22 km/h. The speed of the stream is 1 km/h. How much distance in total will the boat cover going 3 hours downstream and 2 hours upstream?

Anup can row 33 km downstream and 35 km upstream in 8 hours. He can also row 44 km downstream and 28 km upstream in the same time. How much time (in hours) will he take to row 55 km downstream and 14 km upstream?