MindTree Boats and Streams Quiz 1

Question 1

Time: 00:00:00
How long will it take to row 20 km upstream if one can row 10 km in 10 minutes in still water and the same distance in 8 minutes with the stream?

12 min

12 min

13.33 min

13.33 min

24 min

24 min

26.27 min

26.27 min

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 2

Time: 00:00:00
A boat travels from point A to B, a distance of 12 km. From A it travels 4 km downstream in 15 minutes and the remaining 8 km upstream to reach B. If the downstream speed is twice as high as the upstream speed, what is the average speed of the boat for the journey from A to B?

10(2/3) km/hr

10(2/3) km/hr

9.6 km/hr

9.6 km/hr

11.16 km/hr

11.16 km/hr

10.44 km/hr

10.44 km/hr

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 3

Time: 00:00:00
A motorboat can travel at 5 km/hr in still water. It travelled 90 km downstream in a river and then returned, taking altogether 100 hours. Find the rate of flow of the river.

3 km/hr

3 km/hr

3.5 km/hr

3.5 km/hr

2 km/hr

2 km/hr

4 km/hr

4 km/hr

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 4

Time: 00:00:00
A man can row 30 km upstream in 6 hours. If the speed of the man in still water is 6 km/hr, find how much he can row downstream in 10 hours.

70 km

70 km

140 km

140 km

200 km

200 km

250 km

250 km

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 5

Time: 00:00:00
A boatman can row 2 km against the stream in 20 minutes and return in 10 minutes. Find the rate of flow of the current

2 km/hr

2 km/hr

1 km/hr

1 km/hr

3 km/hr

3 km/hr

5 km/hr

5 km/hr

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 6

Time: 00:00:00
A boat takes 4 hours for travelling downstream from point A to point B and coming back to point A upstream. If the velocity of the stream is 2 kmph and the speed of the boat in still water is 4 kmph, what is the distance between A and B?

9 km

9 km

3 km

3 km

6 km

6 km

2 km

2 km

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 7

Time: 00:00:00
If a man can swim downstream at 6 kmph and upstream at 2 kmph, his speed in still water is

4 kmph

4 kmph

5 kmph

5 kmph

6 kmph

6 kmph

7 kmph

7 kmph

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 8

Time: 00:00:00
A man can row a boat at 10 kmph in still water. If the speed of the stream is 6 kmph, the time taken to row a distance of 80 km down the stream is

3 hour

3 hour

4 hour

4 hour

5 hour

5 hour

6 hour

6 hour

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 9

Time: 00:00:00
The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is

3.7 km

3.7 km

2.6 km

2.6 km

1.6 km

1.6 km

3.6 km

3.6 km

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 10

Time: 00:00:00
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 stream is

3:1

3:1

1:2

1:2

4:3

4:3

3:2

3:2

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

Personalized Analytics only Availble for Logged in users

Analytics below shows your performance in various Mocks on PrepInsta

Your average Analytics for this Quiz

Rank

-

Percentile

0%

Completed

0/0

Accuracy

0%

Prime

Prime Video

Complete Video Course for MindTree

for MindTree
Get Prime Video

Prime

Prime Mock

Complete Mock Subscription for MindTree

for MindTree
Get Prime Mock

Comments