In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:	Choose the correct choice from the following options:
A) 2kmph
B) 3kmph
C) 8kmph
D) 9kmph
E) 7kmph
Speed in still water = (11+5)/2= 
<gadget id="calculator">(11+5)/2</gadget>
<output>8</output>
8 kmph   Ans- 8kmph
<result>C</result>
In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is: