Quiz about Boats and Streams

Question 1

The speed of the boat in still water is 20 km/hr and the speed of the stream is 5 km/hr. Find the downstream speed and the upstream speed.

Accepted Answer

25 km/hr,15 km/hr

Answer

55 km/hr,14.5 km/hr

Answer

45 km/hr,11.5 km/hr

Answer

35 km/hr,20 km/hr

Question 2

A boat running downstream covers a distance of 24 km in 3 hours while for covering the same distance upstream, it takes 6 hours. What is the speed of the current?

Accepted Answer

2 km/hr

Answer

3 km/hr

Answer

4 km/hr

Answer

5 km/hr

Question 3

A man can row 10 km downstream in 15 minutes and the same distance upstream in 20 minutes. Find the speed of the boat in still water and the speed of the stream

Accepted Answer

35 km/hr,5 km/hr

Answer

11 km/hr,11.5km/hr

Answer

35 km/hr,10 km/hr

Answer

45 km/hr,15 km/hr

Question 4

Speed of the boat in still water is 15 km/hr and the speed of the current is 7 km/hr. Find the total time taken by a man rowing to a place at a distance of 88 km and back.

Accepted Answer

15 hrs

Answer

25 hrs

Answer

35 hrs

Answer

20 hrs

Question 5

A boat takes 2.5 hours less to travel 100 km downstream than to travel 75 km upstream. If the speed of the current is 5 km/hr, find the speed of the boat in still water.

Accepted Answer

15 km/hr

Answer

40 km/hr

Answer

35 km/hr

Answer

25 km/hr

Question 6

A man can row 8 km/hr in still water. If the speed of the current is 2 km/hr and it takes 4 hours to a man to row a place and come back, then how far is the place?

Accepted Answer

15 km

Answer

20 km

Answer

35 km

Answer

40 km

Question 7

A boat running upstream takes 4 hours 24 minutes to cover a certain distance, while it takes 2 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water respectively?

Accepted Answer

8:3

Answer

2:1

Answer

4:3

Answer

5:2

Question 8

A man swims downstream 28 km in 4 hrs and upstream 12 km in 3 hrs. Find his speed in still water and also the speed of the current.

Accepted Answer

5.5 km/hr ,1.5 km/hr

Answer

8.5 km/hr ,4.5 km/hr

Answer

7.5 km/hr ,3.5 km/hr

Answer

6.5 km/hr ,2.5 km/hr

Question 9

The speed of the boat in still water is 15 km/hr. It takes twice as long as to go upstream to a point as to return downstream to the starting point. What is the speed of the current?

Accepted Answer

3 km/hr

Answer

5 km/hr

Answer

4 km/hr

Answer

7 km/hr

Question 10

A boat covers a certain distance downstream in 6 hours and takes 8 hours to return upstream to the starting point. If the speed of the stream is 3 km/hr, find the speed of the boat in still water

Accepted Answer

3 km/hr

Answer

6 km/hr

Answer

5 km/hr

Answer

4 km/hr

Question 11

The speed of river Ganga is 5 km/hr. A motor boat travels 28 km upstream and then returns downstream to the starting point. If its speed in still water be 9 km/hr, find the total journey time.

Accepted Answer

9 hr

Answer

10 hr

Answer

11 hr

Answer

3 hr

Question 12

A steamer goes downstream from one point to the other in 4 hrs. It covers the same distance upstream in 5 hrs. If the speed of the stream is 2 km/hr, the distance between the two pints is

Accepted Answer

80 km

Answer

75 km

Answer

65 km

Answer

55 km

Question 13

A boat running downstream covers 24kms in 4 hours, while for covering the same separation upstream it takes 6 hours. What is the velocity of the watercraft in still water?

Accepted Answer

5 km/hr

Answer

7 km/hr

Answer

3 km/hr

Answer

6 km/hr

Question 14

A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:

Accepted Answer

5 km/hr

Answer

8 km/hr

Answer

6 km/hr

Answer

4 km/hr

Question 15

In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

Accepted Answer

11 km/hr

Answer

13 km/hr

Answer

12 km/hr

Answer

21 km/hr

Question 16

A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:

Accepted Answer

1 km/hr

Answer

2 km/hr

Answer

4 km/hr

Answer

5 km/hr

Question 17

A boatman goes 2 km against the current of the stream in 2 hour and goes 1 km along the current in 20 minutes. How long will it take to go 5 km in stationary water?

Accepted Answer

2 hr 30 min.

Answer

2 hr 45 min

Answer

2 hr 32 min

Answer

2 hr 45 min

Question 18

Speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph. A man rows to a place at a distance of 4864 km and comes back to the starting point. The total time taken by him is:

Accepted Answer

700 hrs

Answer

750 hrs

Answer

720 hrs

Answer

710 hrs

Question 19

The speed of a boat in still water in 22 km/hr and the rate of current is 4 km/hr. The distance travelled downstream in 24 minutes is:

Accepted Answer

10.4 km

Answer

21.4 km

Answer

12.4 km

Answer

11.4 km

Question 20

A boat can travel with a speed of 22 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 54 km downstream..............

Accepted Answer

2 hrs

Answer

20 hrs

Answer

5 hrs

Answer

3 hrs

Question 21

A boat running downstream covers a distance of 22 km in 4 hours while for covering the same distance upstream, it takes 5 hours. What is the speed of the boat in still water?

Accepted Answer

4.95 km/hr

Answer

3.5 km/hr

Answer

5 km/hr

Answer

4.55 km/hr

Question 22

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:

Accepted Answer

3:1

Answer

2:5

Answer

3:4

Answer

8:1

Question 23

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?

Accepted Answer

2.4 km

Answer

5.4 km

Answer

4.5 km

Answer

3.4 km

Question 24

A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is:...............

Accepted Answer

2 mph

Answer

4 mph

Answer

6 mph

Answer

7 mph

Question 25

A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:.....................

Accepted Answer

1 km/hr

Answer

5 km/hr

Answer

2 km/hr

Answer

3 km/hr

Question 26

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?

Accepted Answer

2.4 km/hr

Answer

7.8 km/hr

Answer

6.5 km/hr

Answer

3.4 km/hr

Question 27

A man swims 12 km downstream and 10 km upstream. If he takes 2 hours each time, what is the speed of the stream?

Accepted Answer

0.5 km/hr

Answer

1.5 km/hr

Answer

0.9 km/hr

Answer

0.7 km/hr

Question 28

A boat covers 800 meters in 600 seconds against the stream and returns downstream in 5 minutes. What is the speed of the boat in still water?

Accepted Answer

2 m/s

Answer

5 m/s

Answer

4 m/s

Answer

3 m/s

Boats and Streams

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics