Along a highway, there are electric poles on one side of the highway and telegraph poles on the other side. The electric poles are separated by 4 m and the telegraph poles are separated by 60 m. If an electric and a telegraph pole are both present at the point where the highway begins, after how much distance along the highway will they both be in front of each other again?
A city has ^@₨571^@ to buy new light bulbs for the street lamps. If each light bulb costs ^@₨8^@, then how many new light bulbs will the city be able to buy?