Boats and Streams MCQ Set 4

Showing question 16 to 20 of total 30 MCQs

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Question No: 16

A boat running downstream covers a distance of 20 km in 2 hours while for covering the same distance upstream, it takes 5 hours. What is the speed of the boat in still water?

1. 4 km / hr
2. 7 km / hr
3. 8 km / hr
4. Data Inadequate

Question No: 17

The speed of a boat in still water is 20 km/hr and the rate of current is 5 km/hr. The distance traveled downstream in 12 minutes is:

1. 1.8 km
2. 7 km
3. 5 km
4. 3 km

Question No: 18

A boats man can row in still water at speed of 7 km/hr. It takes 6 hours more to travel the same distance in upstream than in downstream if the speed of the river is 3 km/hr. what is the distance between the two destinations?

1. 40 km
2. 30 km
3. 10 km
4. 20 km

Question No: 19

If a boat is rowed downstream for 50 km in 5 hours and upstream for 24 km in 6 hours, what is the speed of the boat and the river?

1. (7 , 3) km/hr
2. (6 , 4) km/hr
3. (10 , 4) km/hr
4. None of these

Question No: 20

A man can row a boat three quarters of a kilometer in 11.25 minutes. What is the speed of the boat in still water?

1. 2 kmph
2. 5 kmph
3. 4 kmph
4. 3 kmph