Question : The speed of a boat in still water is 17 km/hr and the speed of a stream is 11 km/hr. Find the difference between the upstream speed and the downstream speed of the boat.

Question : Find the speed of a boat in still water if the boat goes 12 km/hr along the stream and 4 km/hr against the stream.

Question : A boat can travel at a speed of 15 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 80 km downstream.

Question : Find the time taken by a boat to travel 80 km with the current, if the speed of the boat in still water is 14 km/hr and the speed of the current is 6 km/hr.

Question : A boatman rows 15 km in 15 minutes, along the stream and 10 km in 1 hour against the stream. Find the speed of the boat in still water.