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.
(a) 2 hours
(b) 3 hours
(c) 4 hours
(d) 5 hours
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.
(a) 2 hours
(b) 3 hours
(c) 4 hours
(d) 5 hours