A boat can travel with a speed of 5km/hr in still water. If the speed of the stream is 5km/hr, find the time taken by the boat to go 100km downstream. Options.
A) 1 hr B) 2 hrs C) 3 hrs D) 4 hrs E) 10 hrs
Speed downstream = (5 + 5) km/hr = 10 km/hr.   Time taken to travel 100 km downstream = 100/10= 
<gadget id="calculator">100/10</gadget>
<output>10</output>
10 hrs.   Answer : 10 hrs
<result>E</result>
A boat can travel with a speed of 5km/hr in still water. If the speed of the stream is 5km/hr, find the time taken by the boat to go 100km downstream.