Boats and Streams - Aptitude Questions and Answers Part 3
11. A boat rows at 6 kmph in still water between two points 36 km apart. If it takes 8 hours to less to cover this distance downstream than upstream, what is the speed of the stream?
a. 2 kmph
b. 2.5 kmph
c. 3 kmph
d. 4 kmph
12. A boat sails at a speed of 15 kmph in still waters. It travels 30 km downstream and comes back in four and a half hours. What is the speed of the stream?
a. 5 km/h
b. 6 km/h
c. 25 km/h
d. 50 km/h
13. A steamer takes 8 minutes to cover a distance of 4.8 km downstream while it takes 9 minutes to come back to the same spot upstream. Find the speed of the current.
a. 2 kmph
b. 2.4 kmph
3. 3 kmph
4. 3.2 kmph
Speed of boat in still water = 9 kmph
Speed of water current = 1.5 kmph
Find the time taken by the boat to go 105 km downstream and come back.
a. 16 hours
b. 18 hours
c. 20 hours
d. 24 hours
Distance between points A and B = 6 km
Find the speed of boat in still water.
|Total time taken =||11||hours|
a. 11 km/h
b. 22 km/h
c. 33 km/h
d. 44 km/h