a straight road connects 2 cities. in certain interval pf time buses from each city move to the other with equal speeds. a cyclist is moving with 15km/hr from one city to another. a bus from behind overtakes him in every 15 minutes. also, the buses coming from the other direction cross him in every 9 minutes. find the speed of theair buses and their time intervals.
Aditi Chauhan , 10 Years ago
Grade 10