USA Bus Lines

A tuff Q: Two towns A and B are connected by a regular bus service with a bus leaving in either direc?

in either direction every T minutes. A man cycling with a speed on 20Kmph 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?

Public Comments

1. Paying attention in class would be a better response than simply giving a solution.