A man can row a boat at 13 kmph in still water. If the speed of the stream is 5 kmph, what is the time taken to row a distance of 33 km downstream? Choose the correct choice from the following answers:
A) 11/3 B) 11/4 C) 11/5 D) 11/6 E) 11/7
Speed downstream = 13+5= 
<gadget id="calculator">13+5</gadget>
<output>18</output>
18 kmph.   Time required to cover 60 km downstream= d/s = 33/18=11/6 hours. Answer:11/6
<result>D</result>
A man can row a boat at 13 kmph in still water. If the speed of the stream is 5 kmph, what is the time taken to row a distance of 33 km downstream?