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?	Select the correct option.
A) 78  B) 66  C) 20  D) 26  E) 29
M = 15   S = 5   DS = 15 + 5= 
<gadget id="calculator">15 + 5</gadget>
<output>20</output>
20   Answer20
<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?