A boat can travel with aspeed of 20km/hr in still water. If the speed of the stream is 5km/hr, find the time taken by the boat to go 125km downstream.  Pick: A) 1 hr B) 2 hrs C) 3 hrs D) 4 hrs E) 5 hrs
Speed downstream = (20 + 5) km/hr = 25 km/hr.   Time taken to travel 125 km downstream = 125/25= 
<gadget id="calculator">125/25</gadget>
<output>5</output>
5 hrs.   Answer : 5 hrs
<result>E</result>
A boat can travel with aspeed of 20km/hr in still water. If the speed of the stream is 5km/hr, find the time taken by the boat to go 125km downstream.