Aptitude : : Boats and Streams Questions & Answers
- In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still in still water (in km/hr) is?
A. 3 kmph
B. 5 kmph
C. 8 kmph
D. 9 kmph
E. 7 kmph
- 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. 8 kmph
C. 6 kmph
D. Data inadequate
E. 7 kmph
- 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
E. 1 hours
- A motorboat, whose speed is 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is?
A. 4 kmph
B. 6 kmph
C. 5 kmph
D. 10 kmph
E. 7 kmph
- A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, then what is the speed of the stream?
A. 2 mph
B. 2.5 mph
C. 3 mph
D. 5 mph
E. 1 mph