Aptitude : : Boats and Streams Questions & Answers
- A boat can travel with a speed of 10 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 28 km downstream?
A. 2 hours
B. 3 hours
C. 4 hours
D. 5 hours
- In one hour, a boat goes 10 km/hr along the stream and 2 km/hr against the stream. The speed of the boat in still water (in km/hr) is?
A. 3 km/hr
B. 6 km/hr
C. 5 km/hr
D. 10 km/hr
- A man can row upstrem at 8 kmph and downstream at 10 kmph. Find man's rate in still water and the rate of current?
A. 9 and 1
B. 8 and 2
C. 7 and 3
D. 6 and 4
- If Dev rows 15 km upstream in 3 hours and 21 km downstream in 3 hours, then the speed of the stream is?
A. 2 kmph
B. 3 kmph
C. 1 kmph
D. 5 kmph
- If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 kmph, then the speed of the boat in still water is?
A. 2 kmph
B. 7 kmph
C. 10 kmph
D. 8 kmph