A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
Solution
Correct Answer: Option C
Speed downstream
= (13 + 4) km/hr
= 17 km/hr
Time taken to travel 68 km downstream
= 68/17 hours
= 4 hours
= (13 + 4) km/hr
= 17 km/hr
Time taken to travel 68 km downstream
= 68/17 hours
= 4 hours
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