Bui bought 99 books and 24 toys from the market. If the price of each book and toy is ₫ 68 and ₫ 81 respectively, how much money did Bui pay for the books?

Some workers are assigned to paint the boundary of a a stadium. If 8 workers can paint 793.6 m in an hour, then how many metres would 9 workers paint in an hour?

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 10 m and the telegraph poles are separated by 36 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 group of 6 workers are painting the boundary of a hospital. If 60.1 m of the boundary is already painted, and each worker can paint 4 m 500 mm of the boundary every hour, what is the total length of the boundary that would have been painted after an hour?

The given figure shows some fruits in a basket. John is getting late for school and just picks up a fruit from the basket without looking at it. Which fruit is most likely to be picked?