A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water? Options:	A) 18 kmph	B) 20 kmph	C) 30 kmph	D) 19 kmph	E) 10 kmph
US = 25   DS = 35   M = (35 + 25)/2= 
<gadget id="calculator">(35 + 25)/2</gadget>
<output>30</output>
30   Answer:30 kmph
<result>C</result>
A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water?