Question
Quantitative Aptitude Question on Boat and Stream
A boat can row upstream at 10 km/h and downstream at 18 km/h. If m is the speed of boat in still water and n is the speed of stream then m+n is:
A
16 km/h
B
18 km/h
C
20 km/h
D
14 km/h
Answer
18 km/h
Explanation
Solution
The correct option is(B):18 km/h