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