A man can row his boat with the stream at 25 km/h and against the stream in 13 km/h. The man's rate is? Choose the correct choice from the following choices.
A) 1 kmph B) 2 kmph C) 6 kmph D) 8 kmph E) 3 kmph
DS = 25   US = 13   S = ?   S = (25 - 13)/2= 
<gadget id="calculator">(25 - 13)/2</gadget>
<output>6</output>
6 kmph   Answer:6 kmph
<result>C</result>
A man can row his boat with the stream at 25 km/h and against the stream in 13 km/h. The man's rate is?