2020AUSTRALIAN MATHEMATICS COMPETITIONInstructions and InformationGeneral1.Do not open the booklet until told to do so by your teacher.2.You may use any teaching aids normally available in your classroom, such asMAB blocks, counters, currency, calculators, play money etc. You are allowedto work on scrap paper and teachers may explain the meaning of words in thepaper. Mobile phones are not permitted.3.Diagrams are NOT drawn to scale. They are intended only as aids.4.There are 25 multiple-choice questions, each requiring a single answer, and5 questions that require a whole n...