A, B, and C are situated at the bank of a river that is going at a constant speed. B is at an equal distance from A and C. A swimmer, Tushar, takes 10 hours to swim from A to B and B to A. Also, he takes 4 hours to swim from A to C. The speed of Tushar in still water is how much percent more than the speed of the stream?

Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
What is the speed of the boat in still water?
I. The speed downstream is 12 kmph.
II. The speed upstream is 4 kmph.
III. In a to and fro journey between two points, the average speed of the boat was 6 kmph.

Find the speed of the stream.

Statement I: The time taken by boat to go 40 km upstream is the same as the time taken by it to go 72 km downstream.

Statement II: The total time taken by boat to go 54 km downstream and 36 km upstream is 3.3 hours.

Statement III: The ratio of the speed of the boat in still water to the speed of the stream is 7: 2 and the time taken by boat to go 35 km in still water is 1.25 hours.

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

A man takes 15 minutes to row 16 km downstream, which is 25% less than the time he takes to row the same distance upstream. How many kilometres can the man row in an hour in still water? (Rounded off to nearest whole number)

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.

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?

Ajay can row his boat in still water, at a speed of 11 km/hr. If the speed of the stream is 7 km/hr, how long will it take to a distance of 54 km downstream?

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)

Prakash can swim at a speed of 32 km/h upstream and 44 km/h downstream. What is the speed of the current?

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)?

A man can row a distance of 6 km in 1 hour in still water. He can row the same distance in 45 minutes with the current. Find the total time taken by him to row a distance of 16 km with the current and to return to the starting point.

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:

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)

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 covers a distance of 55 km downstream in 5 hours while it takes 11 hours to cover the same distance upstream. What is the speed of the boat?

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?

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:

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?

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

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?

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.

If the speed of a boat in still water is 15 m/sec and the speed of the current is 5 m/sec. How much time will the boat take to cover 800 meters downstream?

The speeds of a swimmer in upstream and downstream directions are 5.34 m/s and 9.58 m/s respectively. What is the speed of the stream? (in km/hr)

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

A sailor can row downstream at 24 km/h and upstream at 14 km/h. What is the speed of the sailor in still water?

The downstream speed of a boat is 20 km/hr. It takes 4 hours to go upstream and 2 hours to go downstream between two points. What is the speed of the stream?

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 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 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?

If the speed of a boat in still water is 15 m/sec and the speed of the current is 5 m/sec. How much time will the boat take to cover 800 meters downstream?

If it takes 1 hour more to travel 40 kilometers upstream than downstream and the speed of the stream is 1 km/hr, then find the ratio of the speed of the boat to the speed of the stream.

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.

If downstream distance travelled by a boat is thrice the upstream distance travelled in same time, speed of stream is what percent of speed of boat?

A person can row a yacht along the stream at a speed of 9 km/h and against the stream at a speed of 7 km/h. The speed of the stream is:

If the speed of a boat in the direction of the current and against the current is 12 km/h and 8 km/h respectively, how long will it take the boat to go 24 km in still water?

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 can travel at a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the difference between the time taken by the boat to go 68 km downstream and 63 km upstream.

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

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.

Ajay can row his boat in still water, at a speed of 11 km/hr. If the speed of the stream is 7 km/hr, how long will it take to a distance of 54 km downstream?

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?

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.

If the speed of the river is 4 km/hr then find the speed of a motor boat that takes 12 hours to go upstream from the shore to the island situated 24 km away. (in km/hr)

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 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.

Two boats 50 km apart travel towards each other. Speeds of the two boats A and B in still water are 12 km/hr and 13 km/hr respectively. If A goes downstream and B goes upstream. They will meet after what time.

If the speed of a boat in the direction of the current and against the current is 12 km/h and 8 km/h respectively, how long will it take the boat to go 24 km in still water?

The downstream speed of a boat is 20 km/hr. It takes 4 hours to go upstream and 2 hours to go downstream between two points. What is the speed of the stream?

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.