A boat can travel with a speed of 22 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 54 km downstream	Choices:
A) 5 hours
B) 4 hours
C) 3 hours
D) 2 hours
E) None of these
Explanation :   Speed of the boat in still water = 22 km/hr   speed of the stream = 5 km/hr   Speed downstream = (22+5)= 
<gadget id="calculator">(22+5)</gadget>
<output>27</output>
27 km/hr   Distance travelled downstream= 54 km   Time taken = distance/speed = 54/27= 
<gadget id="calculator">54/27</gadget>
<output>2</output>
2 hours. Answer : Option 2 hours
<result>D</result>
A boat can travel with a speed of 22 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 54 km downstream