Will and Jake are in different Mathematics classes at Greenwood Primary School. Will's teacher always gives tests with 9 questions while Jake's teacher gives more frequent tests with only 7 questions. However, both teachers promised that all the students in both classes will have to answer the same number of tests questions in total in one year. How many more tests does Jake have to sit for in one year, as compared to Will?
Felix and Amy take 4 and 7 minutes to run around the track during their PE lessons. If they started running their laps at 1000, when is the next time both of them will be at the finish line together after that?
The basketball team and the volleyball team are sharing the basketball court for their practices today. The basketball team has practice every 3 days while the volleyball team practices every 7 days. How many days from now will they have to share the basketball court again?
Pencils come in packages of 10. Erasers come in packages of 12. Phillip wants to purchase the smallest number of pencils and erasers so that he will have exactly 1 eraser per pencil. How many packages of pencils and erasers should Phillip buy?