Question
Quantitative Aptitude Question on Boat and Stream
A boat which can travel at 10km/hr in still water goes 91km down a river and returns to the starting point in 20 hours. Find the speed of the flow of the river.
A
3.5kmph
B
2.5kimph
C
2kmph
D
3kmph
E
4 kmph
Answer
3kmph
Explanation
Solution
The correct option is (D): 3 kmph.