A man can row upstream at 55 kmph and downstream at 65 kmph, and then find the speed of the man in still water? Pick one
A) 27	B) 70	C) 60	D) 80	E) 24

Rationale: "us = 55 ds = 65 m = ( 55 + 65 ) / 2 = 60 answer : c"
Answer: C