5 Two towns A and B are connected by regular bus service with a bus leaving either direction every T minutes A th cycling with a

Question

5 Two towns A and B are connected by regular bus service with a bus leaving either direction every T minutes A th cycling with a speed of 20 km h in direction from A to B notices that a bus goe past him every 18 min in the direction of his motion and every 6 min in the opposite direction The speed with which assume constant buses ply on road is 1 40 km h 2 60 km h 3 75 km h 4 80 km h NCERT Pg 56

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