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 168 km downstream	Choose the most appropriate option
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   6 hoursistance travelled downstream = 168 km   Time taken = distance/speed = 168/28= 
<gadget id="calculator">168/28</gadget>
<output>6</output>
6 hours   Answer: Option 6 hours
<result>D</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 168 km downstream