A boat can travel with a speed of 24 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 84 km downstream  Answers:
A) 3 hours
B) 4 hours
C) 5 hours
D) 6 hours
E) 7 hours
Explanation:   Speed of the boat in still water = 24 km/hr   speed of the stream = 4 km/hr   Speed downstream = (22+5) = 28 km/hr   Distance travelled downstream = 84 km   Time taken = distance/speed = 84/28= 
<gadget id="calculator">84/28</gadget>
<output>3</output>
3 hours   3 hoursnswer: Option 3 hours
<result>A</result>
A boat can travel with a speed of 24 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 84 km downstream