A man can row upstream at 25 kmph and downstream at 39 kmph, and then find the speed of the man in still water?
Pick:  A) 86  B) 67  C) 30  D) 15  E) 32
US = 25   DS = 39   M = (39 + 25)/2= 
<gadget id="calculator">(39 + 25)/2</gadget>
<output>32</output>
32   Answer: 32
<result>E</result>
A man can row upstream at 25 kmph and downstream at 39 kmph, and then find the speed of the man in still water?