A man can row upstream at 55 kmph and downstream at 65 kmph, and then find the speed of the man in still water? Choices:
A) 27  B) 70  C) 60  D) 80  E) 24
US = 55   DS = 65   M = (55 + 65)/2= 
<gadget id="calculator">(55 + 65)/2</gadget>
<output>60</output>
60   Answer:60
<result>C</result>
A man can row upstream at 55 kmph and downstream at 65 kmph, and then find the speed of the man in still water?