In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
Pick: A) 6 B) 7 C) 8 D) 9 E) 5
Speed in still water =	1	(11 + 5)/2 kmph = 8 kmph.   Answer:8
<result>C</result>
In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is: