In one hour,a boat goes 16 km along the stream and 6 km against the stream.The speed of the boat in still water (in km/hr) is :
Options
A) 3 B) 11 C) 8 D) 9 E) 10
Solution   Speed in still water =1/2(16+6)kmph.= 11 kmph. Answer 11
<result>B</result>
In one hour,a boat goes 16 km along the stream and 6 km against the stream.The speed of the boat in still water (in km/hr) is :