Two towns A and B are connected by aregular bus service with a bus leaving in either direction every Tminutes. A man cycling with a speed of 20 km h–1in the direction A to B notices that a bus goes past him every 18 minin the direction of his motion, and every 6 min in the oppositedirection. What is the period Tof the bus service and with what speed (assumed constant)do the buses ply on the road?

Two towns A and B are connected by aregular bus service with a bus lea

1.	Two towns A and B are connected by aregular bus service with a bus leaving in either direction every Tminutes. A man cycling with a speed of 20 km h–1in the direction A to B notices that a bus goes past him every 18 minin the direction of his motion, and every 6 min in the oppositedirection. What is the period Tof the bus service and with what speed (assumed constant)do the buses ply on the road?
Answer» Two towns A and B are connected by a regular bus service with a bus leaving in either direction every T minutes. A man cycling with a speed of 20 km h^–1 in the direction A to B notices that a bus goes past him every 18 min in the direction of his motion, and every 6 min in the opposite direction. What is the period T of the bus service and with what speed (assumed constant) do the buses ply on the road?