A boat can stream 60 km upstream and 120 km downstream in 3.5 hours. It can go 160 km upstream and 180 km downstream in 7 hours. What percentage of the speed of the boat in still water is the speed of a stream?

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.

If the speed of a boat in still water is 15 km/h and the speed of the stream is 8 km/h, then find the total time taken by the boat to cover 70 km downstream and 20 km upstream.

A boat has to increase the speed with which it can row in still water by 50% during upstream journey, so that the effective speed is same both during upstream and downstream journeys in a river. But instead if it drives at original speed (in still water) during both journeys, it takes 16 hours to complete 300 km upstream and 300 km downstream. What is the speed of the stream? (in km/hr)

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 takes 20 hours to travel downstream from point P to point Q and to come back to a point R which is at midway between P and Q. If the velocity of the stream is 6 km/h and the speed of the boat in still water is 18 km/h, what is the distance between P and Q?

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)

The speed of a water boat along the current is 15 km/hr and against the current is 12 km/hr. Find the speed of the current in m/sec.

A boat has to increase the speed with which it can row in still water by 50% during upstream journey, so that the effective speed is same both during upstream and downstream journeys in a river. But instead if it drives at original speed (in still water) during both journeys, it takes 16 hours to complete 300 km upstream and 300 km downstream. What is the speed of the stream? (in km/hr)

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:

A boat goes 15 km downstream in 3 hours and comes back 21 km upstream in 7 hours. Find the speed of boat in still water.

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?

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 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.

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 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)

In one hour, a boat goes 12 km along the stream and 8 km against the stream. What is the speed of the boat in still water (in km/h)?

The effective speed of a boat is 15.2 km/h against the stream and 20.8 km/h along the stream. Find the speed of the stream.

A boat can move upstream at 25 km/h and downstream at 35 km/h. What is the speed of the current?

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 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.

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.

The speed of the boat in still water is 15 m/s and the speed of the stream is 10 m/s. What is the time taken by the boat in going 200 m downstream and coming back 100 m upstream (in seconds)?

Raman a mischievous child went to the mall with her mother. After diverting her mother's attention she ran towards a downward-moving escalator of 60 steps and started running on it upwards. She took 30 seconds to reach the top, what would be the speed of Raman if the speed of the escalator is 6 steps/second?

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 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 boat goes 145 km upstream in 29 hours and a distance of 210 km downstream in 30 hours. Find the speed of the boat in still water. (In kmph)

A boat that can travel with a speed of 30 km/h in still water takes 2 hours to cover the distance of 48 km while travelling in the opposite direction of the stream. What is the speed of the stream?

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?

A boat's speed in still water is 9 km/h, while a 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 goes 285 km upstream in 57 hours and a distance of 469 km downstream in 67 hours. Find the speed of the boat in still water. (In km/h)

Ajay rows 52.5 kmph in still water. If the river is running at 17.5 kmph, it takes him 90 minutes to row to a place and back. How far is the place from the point? (In km)

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 ship that can row in still water at a speed of 126 km/hr and has to cover 1500 m upstream every day as a trial run. What is the sum of the total time taken by the ship over the five days? (in seconds)

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.

The ratio of the upstream and downstream speed of the boat is 3 : 4. It covers 45 km upstream in 5 hours, distance (in km) covered in 8 hours (downstream) is?

A boatman can row 30 km against the stream in 6 hours and can row the same distance downstream return in 5 hours. Find the rate of current.

A boat travels upstream 40 km in 4 hours and downstream 56 km in 4 hours. Find the Speed (km/h) of the boat.

The speed of the boat in still water is 15 m/s and the speed of the stream is 10 m/s. What is the time taken by the boat in going 200 m downstream and coming back 100 m upstream (in seconds)?

A boat goes 60 km upstream in 4 hours and 45 km downstream in 1.5 hours in a river. What is the speed of the boat in still water?

The average of the downstream distance covered by Boat 1 in River B in 2 hours and the downstream distance covered by Boat 2 in River D in 1 hour is:

A boat that can travel with a speed of 30 km/h in still water takes 2 hours to cover the distance of 48 km while travelling in the opposite direction of the stream. What is the speed of the stream?

A boat goes 60 km upstream in 3 hours and 45 km downstream in 1 hour. Find the speed of the boat in still water.

Shyam can swim 10 km/hr in still water. If the velocity of the stream is 5 km/hr, then find the total time taken by Shyam to swim to a place 90 km upstream and come back downstream to the starting point.

Two boats A and B travel downstream in the same direction from two different places which are 32 km away from each other. The speed of boats A and B in still water is 18 km/h and 16 km/h respectively. The speed of the stream is 11 km/h. If both boats travel downstream, how much time they will meet each other?

A boat travels 160 km against the stream in 40 hours and the speed of the stream is 18 km/hr. What is the speed of the boat along with the stream?

A ship crosses a bridge of length 200 meters in 40 seconds while going upstream but it takes 50% less time to cross the same bridge while going downstream. What is the speed of the ship in still water?

The speed of a water boat along the current is 15 km/hr, and against the current, it is 12 km/hr. Find the speed of the current in m/sec.