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) 7
Solution   Speed in still water	= 1/2(11+5) km/hr   = 8 km/hr.   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