Boats and Streams – Aptitude Questions and Answers | Online Boats and Streams MCQ Aptitude Test
| Quiz Name | Boats and Streams |
| Category | Online Aptitude Test |
| Number of Questions | 20 |
| Time | 30 Minutes |
| Exam Type | MCQ (Multiple Choice Questions) |
1. In calm water, a boat can cruise at a speed of 13 km/hr. Calculate the time it took the boat to travel 68 kilometres downstream at a speed of 4 km/hr.
a. 2 hours
b. 3 hours
c. 4 hours
d. 5 hours
2. A man’s current speed is 15 km/hr, whereas the current’s speed is 2.5 km/hr. Against the stream, the man’s speed is:
a. 8.5 km/hr
b. 9 km/hr
c. 10 km/hr
d. 12.5 km/hr
3. A boat travelling upstream takes 8 hours 48 minutes to cross a given distance, whereas a boat travelling downstream takes 4 hours. What is the relationship between the boat’s speed and the speed of the water current?
a. 2 : 1
b. 3 : 2
c. 8 : 3
d. Cannot be determined
4. A motorboat travelling at 15 km/hr on calm water travels 30 km downstream and returns in 4 hours 30 minutes. The stream’s speed (in kilometres per hour) is:
a. 4
b. 5
c. 6
d. 10
5. A boat travels at 11 km/hr along the stream and 5 km/hr against it in an hour. In calm water, the boat’s speed (in km/hr) is:
a. 3 km/hr
b. 5 km/hr
c. 8 km/hr
d. 9 km/hr
6. A boat travelling downstream travels 16 kilometres in two hours, but a boat travelling upstream travels the same distance in four hours. In calm water, what is the boat’s speed?
a. 4km/hr
b. 6 km/hr
c. 8 km/hr
d. Data inadequate
7. In still water, a boat’s speed is 15 km/hr, while the rate of current is 3 km/hr. In 12 minutes, you’ll have covered the following distance:
a. 1.2 km
b. 1.8 km
c. 2.4 km
d. 3.6 km
8. Traveling 36 miles downstream takes 90 minutes shorter than travelling the same distance upstream. If the boat’s speed on still water is 10 mph, the stream’s speed is:
a. 2 mph
b. 2.5 mph
c. 3 mph
d. 4 mph
9. In calm water, a man may row at a speed of 5 kilometres per hour. How distant is a location if the current velocity is 1 kmph and it takes him 1 hour to row there and back?
a. 2.4 km
b. 2.5 km
c. 3 km
d. 3.6 km
10. A boat travels a particular distance downstream in one hour and returns in the same amount of time. What is the speed of the boat on calm water if the stream is moving at 3 kmph?
a. 12 kmph
b. 13 kmph
c. 14 kmph
d. 15 kmph
11. A boatman travels 2 kilometres against the stream current in one hour and one kilometre with the current in ten minutes. How long would it take you to swim 5 kilometres in still water?
a. 40 minutes
b. 1 hour
c. 1 hr 15 mins
d. 1 hr 30 min
12. In 11 minutes, a man can row three-quarters of a kilometre against the current, and in 7 minutes, he can row down the stream. In calm water, the man’s speed (in km/hr) is:
a. 2
b. 3
c. 4
d. 5
13. A boat’s speed on standing water is 9 kmph, whereas the stream’s speed is 1.5 kmph. A guy rows to a location 105 kilometres away and then returns to his starting position. He spent the following amount of time:
a. 16 hours
b. 18hours
c. 20hours
d. 24hours
14. It takes twice as long for a man to row against the current as it does to row in the other direction. The following is the ratio of the boat’s speed (in calm water) to the stream’s speed:
a. 2 : 1
b. 3 : 1
c. 3 : 2
d. 4 : 3
15. A guy rowing to a location 48 kilometres away and returning after 14 hours. He discovers that rowing 4 kilometres with the stream takes the same amount of time as rowing 3 kilometres against it. The stream is moving at the following rate:
a. 1 km/hr
b. 1.5 km/hr
c. 2 km/hr
d. 2.5 km/hr
16. Traveling downstream from P to Q and upstream from Q to P takes a boat three hours in total. In calm water, what is the boat’s speed?I. The river current travels at a pace of one kilometre per hour., II. P and Q are 4 kilometres apart.
a. I alone sufficient while II alone not sufficient to answer
b. II alone sufficient while I alone not sufficient to answer
c. Either I or II alone sufficient to answer
d. Both I and II are necessary to answer
17. In calm water, what is the boat’s speed?
I. It takes 2 hours to get downstream from point A to point B.
II. The distance between A and B upstream takes 4 hours to travel.
a. I alone sufficient while II alone not sufficient to answer
b. II alone sufficient while I alone not sufficient to answer
c. Either I or II alone sufficient to answer
d. Both I and II are not sufficient to answer
18. In calm water, what is the boat’s speed?
I.Running upstream, the boat covers a distance of 48 kilometres in 6 hours.
II.Running downstream, the boat covers the same distance in 4 hours.
a. I alone sufficient while II alone not sufficient to answer
b. II alone sufficient while I alone not sufficient to answer
c. Either I or II alone sufficient to answer
d. Both I and II are not sufficient to answer
19. In calm water, what is the boat’s speed?
I. The downstream speed is 12 kmph.
II. The upstream speed is 4 kmph.
III. The boat’s average speed on a to-and-fro voyage between two sites was 6 kmph.
a. I and II only
b. All I, II and III
c. III, and either I or II
d. Any two of the three