Boats and Streams Aptitude Practice Test - Set 01

Practice Test: Question Set - 01

1. A boat travel 8 km in 1 hr downstream and 4 km in 1 hr upstream. Find how much time this boat will take to travel 18 km in still water?
    (A) 3 hrs
    (B) 4 hrs
    (C) 2 hrs 45 min
    (D) 3 hrs 45 min

2. A man rows 1 km downstream in 20 minutes and upstream in 40 min. find the speed of man in still water:
    (A) 2.25 kmph
    (B) 2.5 kmph
    (C) 3 kmph
    (D) 3.5 kmph

3. A boat against the current of water goes 9 km/hr and in the direction of current 12 km/hr. The boat takes 4 hrs and 12 min to move upward and downward direction from P to Q. What is the distance between P and Q?
    (A) 21.6 km
    (B) 18 km
    (C) 21 km
    (D) 28 km

4. A man can row a certain distance downstream in 4 hrs and returns the same distance in 6 hrs. If the stream flows at the rate of 1 km/hr, then what will be the man’s speed if he rows in still water?
    (A) 3 kmph
    (B) 5 kmph
    (C) 7 kmph
    (D) 9 kmph

5. A man rows, up the stream 15 km and down the stream 35 km taking 5 hrs each time. The velocity of the current is:
    (A) 2 kmph
    (B) 4.5 kmph
    (C) 10 kmph
    (D) 25 kmph

6. A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
    (A) 2 hours
    (B) 3 hours
    (C) 4 hours
    (D) 5 hours

7. A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:
    (A) 8.5 km/hr
    (B) 9 km/hr
    (C) 10 km/hr
    (D) 12.5 km/hr

8. In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
    (A) 3 km/hr
    (B) 5 km/hr
    (C) 8 km/hr
    (D) 9 km/hr

9. A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?
    (A) 4 km/hr
    (B) 6 km/hr
    (C) 8 km/hr
    (D) Data inadequate

10. The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance traveled downstream in 12 minutes is:
    (A) 1.2 km
    (B) 1.8 km
    (C) 2.4 km
    (D) 3.6 km

11. A boat covers a certain distance downstream in 1 hour, while it comes back in 1½hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?
    (A) 12 kmph
    (B) 13 kmph
    (C) 14 kmph
    (D) 15 kmph

12. A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?
    (A) 40 minutes
    (B) 1 hour
    (C) 1 hr 15 min
    (D) 1 hr 30 min

13. Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:
    (A) 16 hours
    (B) 18 hours
    (C) 20 hours
    (D) 24 hours

14. A boat moves down the stream at the rate of 1 km in 6 min and up the stream at the rate of 1 km in 10 min. The speed of current is:
    (A) 2 kmph
    (B) 2.5 kmph
    (C) 3 kmph
    (D) 3.5 kmph

15. A man can row upstream a distance of 1/2 km in 10 min and return the same distance downstream in 5 min. Find the ratio of man’s speed in still water and that of the stream.
    (A) 8 : 3
    (B) 3 : 1
    (C) 3 : 8
    (D) 1 : 3

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Boats and Streams:
Formula:                Boats and Streams Formulas
Solved Examples:  Solved Examples: Set 01
Practice Test:         Practice Test: 01
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