... At Berracan station, northbound trains arrive every three minutes starting at noon and ﬁnishing at midnight, while southbound trains arrive every ﬁve minutes starting at noon and ﬁnishin[r] ...

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... At half-time 345 Blues supporters leave because their team is losing, and the remaining Blues supporters now make up one-third of the total.. How many Reds supporters are there.[r] ...

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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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... 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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... 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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... Cianna is stringing beads for a necklace, starting with two round beads, then a square bead, and then repeating this pattern of three beads.. She ﬁnished her necklace with a round bead, [r] ...

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... Alex is designing a square patio, paved by putting bricks on edge using the basketweave pattern shown.. She has 999 bricks she can use, and designs her patio to be as large a square as p[r] ...

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... A four-digit number abcd is called cool if a is divisible by 4, the two-digit number ab is divisible by 5, the three-digit number abc is divisible by 6 and abcd is divisible by 7.. The s[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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... 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 RY[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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... The remaining seven students all get at least 10 questions correct and the average number of questions answered correctly by these seven students is an integer... This pedal-powered wate[r] ...

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... When Jack finished, there were half as many runners who had finished before him compared to the number who finished behind him.. Jill was the 10th runner to finish behind Jack and there [r] ...

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... The teacher claims that no matter what the students write, there will be at least three numbers on the whiteboard whose digits have the same sum.. What is the smallest number of students[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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... 27. 從一個邊長為 y cm 的大正方形**中**，在角落、邊上與中心分別切除邊長 為 x cm 的小正方形做成一個墊子，如圖所示。 若 x 、y 都是質數，且這個墊子外圍與內圍總周長的 cm 數值等於這 個墊子面積的 cm 2 數值。請問這個墊子可能的最小面積是多少 cm 2 ？ 28. 在右圖**中**，每個圓圈有三個或六個相鄰的圓 ...

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... 2. 各種通訊器材一律不得攜入考場，不准使用電子計算器、計算尺、對數表、數**學**公 式等計算器具。作答時可使用直尺與圓規，以及兩面全空白的草稿紙。 3. **題**目所提供之圖形只是示意圖，不一定精準。 4. 最前 25 **題**為選擇**題**，每**題**有五個選項。最後 5 **題**要求填入的答案為 000 至 999 的 ...

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