A man can row with a speed of 15 kmph in still water. If the stream flows at 5 kmph, then the speed in downstream is?  Pick one
A) 27
B) 27
C) 20
D) 99
E) 2
M = 15   S = 5   DS = 15 + 5= 
<gadget id="calculator">15 + 5</gadget>
<output>20</output>
20'   Answer:20
<result>C</result>
A man can row with a speed of 15 kmph in still water. If the stream flows at 5 kmph, then the speed in downstream is?