In one hour a boat goes 11 km long the stream and 5 km against the stream.The speed of the boat in still water is? Choose the correct answer: A) 7 B) 8 C) 6 D) 5 E) 1
Speed in still water 7 = ½ ( 11+5) km/hr 7= 8 kmph   7nswer: 7
<result>A</result>
In one hour a boat goes 11 km long the stream and 5 km against the stream.The speed of the boat in still water is?