A man can row with a speed of 20 kmph in still water. If the stream flows at 11 kmph, then the speed in downstream is?
Choose the correct choice from the following answers: A) 28 B) 26 C) 31 D) 87 E) 24
M = 20   S =11   DS = 20 + 11= 
<gadget id="calculator">20 + 11</gadget>
<output>31</output>
31   Answer: 31
<result>C</result>
A man can row with a speed of 20 kmph in still water. If the stream flows at 11 kmph, then the speed in downstream is?