A man can row upstream at 32 kmph and downstream at 48 kmph, and then find the speed of the man in still water?  Choose the most appropriate option:  A) 22  B) 37  C) 30  D) 27  E) 40
US = 32   DS = 48   M = (48 + 32)/2= 
<gadget id="calculator">(48 + 32)/2</gadget>
<output>40</output>
40   Answer:40
<result>E</result>
A man can row upstream at 32 kmph and downstream at 48 kmph, and then find the speed of the man in still water?