A man can row downstream at the rate of 10 Km/hr and upstream at 4 Km/hr. Find man's rate in still water and the rate of current?	Select:
A) 9,6  B) 7,3  C) 9,3  D) 6,6  E) None of these
Explanation:   Rate of still water = 1/2 (10 + 4) = 7 Km/hr   Rate of current = 1/2 (10-4) = 3 Km/hr   Answer: Option 7,3
<result>B</result>
A man can row downstream at the rate of 10 Km/hr and upstream at 4 Km/hr. Find man's rate in still water and the rate of current?