A man can row a boat at 14 kmph in still water. If the speed of the stream is 5 kmph, what is the time taken to row a distance of 80 km downstream? Choose the correct answer
A) 85/19
B) 90/18
C) 80/19
D) 70/19
E) 60/19
Speed downstream = 14 + 5= 
<gadget id="calculator">14 + 5</gadget>
<output>19</output>
19 kmph.   Time required to cover 80 km downstream= d/s = 80/19   = 80/19 hours.   Answer: 80/19
<result>C</result>
A man can row a boat at 14 kmph in still water. If the speed of the stream is 5 kmph, what is the time taken to row a distance of 80 km downstream?