There will be 6 buses passing before the meet to city B
In every 10 minutes it is repeated by 2 journeys on the opposite sides
3x2=6 :) ;
A bus leaving City A at 09:20 will meet 5 buses traveling from City B to City A before reaching City B. This is based on the assumption that it takes 30 minutes to travel between the two cities and buses leave every 10 minutes. The buses leaving City B would be 09:00, 09:10, 09:20, 09:30, and 09:40.
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