In one hour, a boat goes 11 km along the stream and 5 km against the stream. the sped of the boat in still water (in km/hr) is : Choose the correct choice:	A) 3	B) 5	C) 8	D) 9	E) 10
Solution   Speed in still water= 1/2(11+5) km/hr= 8kmph. Answer 8
<result>C</result>
In one hour, a boat goes 11 km along the stream and 5 km against the stream. the sped of the boat in still water (in km/hr) is :