In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
Select the correct option:	A) 12 km/hr	B) 11 km/hr	C) 18 km/hr	D) 10 km/hr	E) 13 km/hr
Speed in still water =1/2(14+8) kmph = 11 kmph.   Answer : Option 11 km/hr
<result>B</result>
In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is: