Aptitude : : Boats and Streams Questions & Answers
- The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is?
A. 1.2 km
B. 2.4 km
C. 3.6 km
D. 4 km
- 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 kmph
B. 5 kmph
C. 8 kmph
D. 6 kmph
- 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. 4 kmph
B. 5 kmph
C. 10 kmph
D. 6 kmph
- If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph, then the man's rate along the current is?
A. 4.25 kmph
B. 6 kmph
C. 6.25 kmph
D. 6.5 kmph
- 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