A man can row upstream at 25 kmph and downstream at 65 kmph, and then find the speed of the man in still water?  Answers:
A) 45  B) 86  C) 30  D) 78  E) 38
US = 25   DS = 65   M = (65 + 25)/2= 
<gadget id="calculator">(65 + 25)/2</gadget>
<output>45</output>
45   45nswer: 45
<result>A</result>
A man can row upstream at 25 kmph and downstream at 65 kmph, and then find the speed of the man in still water?