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?  Choices
A) 5 kmph  B) 10 kmph  C) 15 kmph  D) 20 kmph  E) 12 kmph
Explanation:   M = 15   S = 5   20 kmphS = 15 + 5= 
<gadget id="calculator">15 + 5</gadget>
<output>20</output>
20kmph   Answer: 20 kmph
<result>D</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?