A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man's rate is?  Choose the correct choice from the following
A) 1 kmph. B) 2 kmph. C) 3 kmph. D) 4 kmph. E) 5 kmph.
DS = 6   US = 4   S = ?   S = (6 - 4)/2= 
<gadget id="calculator">(6 - 4)/2</gadget>
<output>1</output>
1 kmph   1 kmph.nswer: 1 kmph.
<result>A</result>
A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man's rate is?