A man can row upstream at 20 kmph and downstream at 60 kmph, and then find the speed of the man in still water? Options:	A) 32 kmph	B) 34 kmph	C) 30 kmph	D) 45 kmph	E) 40 kmph
US = 20   DS = 60   M = (20 + 60)/2= 
<gadget id="calculator">(20 + 60)/2</gadget>
<output>40</output>
40   Answer:40 kmph
<result>E</result>
A man can row upstream at 20 kmph and downstream at 60 kmph, and then find the speed of the man in still water?