A man can row upstream at 34 kmph and downstream at 48 kmph, and then find the speed of the man in still water? Pick.
A) 29	B) 92	C) 41	D) 32	E) 23

Rationale: "us = 34 ds = 48 m = ( 48 + 34 ) / 2 = 41 answer : c"
Answer: C