Boats and Streams Quiz 1

Question 1

Time: 00:00:00
A boat can travel 40 km downstream in 48 min. The ratio of the speed of the boat in still water to the speed of the stream is 4: 1. How much time will the boat take to cover 30 km upstream?

60 mins

60 mins

40 mins

40 mins

35 mins

35 mins

80 mins

80 mins

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Question 2

Time: 00:00:00
A boat running downstream covers a distance of 80 km in 10 hrs and for covering the same distance upstream it takes 20 hrs. What is the speed of the stream?

5 km/hr

5 km/hr

2 km/hr

2 km/hr

6 km/hr

6 km/hr

4 km/hr

4 km/hr

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Question 3

Time: 00:00:00
Varun Dhawan rows to a place 40 km distant and comes back in 9 hours. He finds that he can row 5 km with the stream at the same time as 4 km against the stream. The rate of the stream is:

1 km/hr

1 km/hr

1.5 km/hr

1.5 km/hr

2 km/hr

2 km/hr

2.5 km/hr

2.5 km/hr

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Question 4

Time: 00:00:00
A boat goes 5 km against the current of the stream in 1 hour and goes 1 km along with the current in 6 minutes. How long will it take to go 15 km in stationary water?

3 hours

3 hours

2 hours 15 mins

2 hours 15 mins

2 hours

2 hours

3 hours 30 mins

3 hours 30 mins

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Question 5

Time: 00:00:00
What would be the speed of a boat in still water if it covers a distance of 40 km in 10 hours upstream and covers 40 km in 20 hours while going downstream?

3 kmph

3 kmph

2 kmph

2 kmph

5 kmph

5 kmph

4 kmph

4 kmph

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Question 6

Time: 00:00:00
What would be the time taken by a boat to go 80 km downstream if the speed of the stream is 5 km/hr and the boat’s speed in still water is 15km/hr?

2 hrs

2 hrs

6 hrs

6 hrs

8 hrs

8 hrs

4 hrs

4 hrs

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Question 7

Time: 00:00:00
What would be the time taken by a boat to go 40 km downstream if the speed of the stream is 2.5 km/hr and the boat’s speed in still water is 7.5km/hr?

4 hrs

4 hrs

2 hrs

2 hrs

7 hrs

7 hrs

10 hrs

10 hrs

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Question 8

Time: 00:00:00
Alex can row a boat at 7 kmph downstream and 3 kmph upstream. Calculate her rowing speed in still water and the rate of the current?

5kmph and 2 kmph

5kmph and 2 kmph

7.5kmph and 3kmph

7.5kmph and 3kmph

6.4kmph and 14kmph

6.4kmph and 14kmph

Cannot be determined

Cannot be determined

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Question 9

Time: 00:00:00
Sam’s Rowing speed is 10 kmph, but he takes double time in rowing the boat upstream in comparison to downstream. Calculate the rate of the stream?

2.18kmph

2.18kmph

1.56kmph

1.56kmph

3.33 kmph

3.33 kmph

None of these

None of these

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Question 10

Time: 00:00:00
Sam takes 12.5 minutes to cover 900 meters distance rowing the boat against the stream of the river and takes 7.5 minutes to row the same boat downstream. Calculate Sam’s speed of rowing the boat in still water?

5.76kmph

5.76kmph

4.75kmph

4.75kmph

2.65 kmph

2.65 kmph

1.77 kmph

1.77 kmph

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