... (A) 2 (B) 3 (C) 4 (D) 5 (E) 6 20. The increasing sequence of positive integers 1, 2, 4, . . . has the property that each term from the third onwards is the next positive integer which is not equal to the sum of any two ...

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... Students take seven subjects, English, Maths, Science, Geography, History, PE and Arts, in a rotating sequence in the order given, starting with English on Day 1, period 1.. This takes u[r] ...

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... A 2 metre broom is leaning against a wall, with the bottom of the broom making an angle of 45 ◦ with the ground.. The broom slowly slides down the wall until the bottom of the broom make[r] ...

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... A hockey game between two teams is ‘relatively close’ if the number of goals scored by the two teams never differ by more than two.. In how many ways can the first 12 goals of a game be [r] ...

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... Record your answers on the reverse of the answer sheet (not on the question paper) by FULLY colouring the circle matching your answer6. Your answer sheet will be scanned.[r] ...

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... Paul notices that on his birthday in 2011, the product of his age and his wife’s age plus the sum of his children’s ages is 2011.. What would have been the result if he had done this cal[r] ...

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... Record your answers on the reverse of the Answer Sheet (not on the question paper) by FULLY colouring the circle matching your answer.. Your Answer Sheet will be read by a machine.[r] ...

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... This book reproduces problems, solutions and extension questions from both Junior (Years 7 and 8) and Intermediate (Years 9 and 10) versions of the Mathematics Challenge for Young Austr[r] ...

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... If you start from any town and travel along red and yellow roads alternately (RYRY...) you will get back to your starting town after having travelled over six diﬀerent roads. In fact RYR[r] ...

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... After using 2 litres of the spray, he realised his mistake, refilled the sprayer with another 2 litres of water and added a suﬃcient number of drops of insecticide to reach the recommend[r] ...

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... Each of the students in a class writes a diﬀerent 2-digit number on the whiteboard?. The teacher claims that no matter what the students write, there will be at least three numbers on th[r] ...

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... One corner of the paper has been folded over so that the sides of the triangle formed are parallel to the sides of the square as shown.. The total visible area of the paper is half shade[r] ...

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... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...

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... Question 26 is 6 marks, question 27 is 7 marks, question 28 is 8 marks, question 29 is 9 marks and question 30 is 10 marks. 26. The right-angled triangle ABC has area **2016** cm 2 . Lines AI, IF , IE, EH, HD, DG ...

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... UP 8 27. The number 840 is the 3-digit number with the most factors. How many factors does it have? 28. A class has **2016** matchsticks. Using blobs of modelling clay to join the matches together, they make a long ...

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... For poems with three lines, there are five different rhyming structures: either all three lines rhyme, exactly one pair of lines rhyme (occurring in three ways), or none of the lines rhy[r] ...

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... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...

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... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...

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... Using blobs of modelling clay to join the matches together, they make a long row of cubes. This is how their row starts[r] ...

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