QUESTION:
A boatman takes 3 hours 45 minutes to travel 15 km downstream and takes 2 hours 30 minutes to travel 5 km upstream of a river. What is the speed of the stream of the river in km/h?
A. 2 kmph
B. 1 kmph
C. 6 kmph
D. 4 kmph
ANSWER : 1 kmph
Tags:
Aptitude