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