A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 5 km/hr. find the time taken by the boat to go 68 km downstream?  Choose the correct choice from the following
A) 2 hours  B) 3 hours  C) 3 hours 48 minutes  D) 5 hours  E) None
Solution   Speed Downstream	= (13 + 5) km/hr   = 18 km/hr.   Time taken to travel 68 km downstream	=(68 / 18)hrs   = 3 hrs 48 minutes.   Answer 3 hours 48 minutes
<result>C</result>
A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 5 km/hr. find the time taken by the boat to go 68 km downstream?