A man can row downstream at 18 kmph and upstream at 8 kmph. Find the speed of the man in still water and the speed of stream respectively? Answers
A) 3  B) 5  C) 6  D) 4  E) 9
Let the speed of the man in still water and speed of stream be x kmph and y kmph respectively.   Given x + y = 18 --- (1)   and x - y = 8 --- (2)   From (1) &amp; (2) 2x = 26 =&gt; x = 13, y = 5. Answer: 5
<result>B</result>
A man can row downstream at 18 kmph and upstream at 8 kmph. Find the speed of the man in still water and the speed of stream respectively?