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: Choose the correct choice from the following answers:	A) 14 kmph	B) 11 kmph.	C) 51 kmph.	D) 61 kmph.	E) 71 kmph.
Speed in still water =1/2(14+8) kmph = 11 kmph.   Answer: 11 kmph.
<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: