A man can row his boat with the stream at 30 km/h and against the stream in 14 km/h. The man's rate is?
Choices: A) 1 kmph B) 4 kmph C) 5 kmph D) 7 kmph E) 8 kmph
DS = 30   US = 14   S = ?   S = (30 - 14)/2= 
<gadget id="calculator">(30 - 14)/2</gadget>
<output>8</output>
8 kmph   Answer: 8 kmph
<result>E</result>
A man can row his boat with the stream at 30 km/h and against the stream in 14 km/h. The man's rate is?