A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?
How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?
