... Questions 21-25, 6 marks each 21. Mike constructs a sequence in the following way: the **first** two terms are 1 and 2. Starting from the third term, each term is the smallest possible integer that is not relatively ...

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... Record your answers on the reverse side of the Answer Sheet (not on the question paper) by FULLY filling in the circles which correspond to your choices.. Your Answer Sheet will be read[r] ...

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... 14. There are two routes starting in a bus stop. A bus departs for the **first** route every 8 minutes and departs the second route every 10 minutes. At 6:00 in the morning, two buses depart for the two routes at the ...

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... 22. The inside lane of a track has length 400 m and the outside lane has length less than 500 m. From the marked line, as shown in the diagram, Max and Lynn start running counterclockwise along the track at the same ...

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... 6. From one-third of a positive integer, one-quarter of the next integer is subtracted. If the difference is 2, what is the sum of the two integers? （A）31 （B）45 （C）55 （D）79 （E）103 7. The diagram below is the seating plan ...

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... Do not open the contest booklet until you are told to do so. Be sure that your name and code are written on the space provided above. **Round** 2 of **IMAS** is composed of three parts; the total score is 100 ...

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... 22. How many ways can we divide 6 students into 3 groups so that each group has exactly 2 students? 23. In the figure below, ABCD, EFGH and AJKL are squares. The area of AJKL is **2018** cm 2 . If rectangles EFCI and ...

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... Totally there are 20 20 8 4 1 53 isosceles right triangles. Hence (E). Answer： （E） 21. Mike constructs a sequence in the following way: the **first** two terms are 1 and 2. Starting from the third term, each ...

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... Do not open the contest booklet until you are told to do so. Be sure that your name and code are written on the space provided above. **Round** 2 of **IMAS** is composed of three parts; the total score is 100 ...

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... Do not open the contest booklet until you are told to do so. Be sure that your name and code are written on the space provided above. **Round** 2 of **IMAS** is composed of three parts; the total score is 100 ...

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... 7. The diagram shows a path consisting of four semi-circular arcs. Each arc is of length 100 m and uses a different side of a square as its diameter. Initially, Jane is at A and Yves at B. They start walking ...

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... z Do not open the contest booklet until you are told to do so. z Be sure that your name and code are written on the space provided above. z **Round** 2 of **IMAS** is composed of three parts; the total score is 100 ...

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... Record your answers on the reverse side of the Answer Sheet (not on the question paper) by FULLY filling in the circles which correspond to your choices.. Your Answer Sheet will be read[r] ...

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... 22. The area of a triangle is 50 cm 2 . Each side is divided into five equal parts, and some pairs of **division** points are joined as shown in the diagram. What is the total area, in cm 2 of the shaded regions? 23. ...

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... 23. There are two classrooms on each of four floors in the school building, x01 and x02 where x is the floor number. Martial Arts and Drama are on the **first** floor. Calligraphy and Fine Arts are on the same floor. ...

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... 18. Hanna makes four straight cuts on a **round** cake. Into at most how many pieces can she cut it? （A）8 （B）10 （C）11 （D）12 （E）14 19. Eight children are sharing 61 balloons. Each gets at least one, and everyone ...

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... 【Solution】 If there is no carry when the number is added by 1, sum of digits increases by 1, contradiction to that both sum of digits are divided by 4. If there is a carry, the last digit is 9. Since the sum of all ...

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... non-overlapping parts of the other three circles, we need to make the area of the largest circle equal to the total area of the other three circles and there are no overlapping parts b[r] ...

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... the **first** 2014 terms in the sequence, there are 335 complete periods with an incomplete period of four remaining ...The **first** time both are back together at the marked line, Max has completed 3 ...

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... Answer：096 25. In an election between three candidates, they are supported respectively by 10, 35 and 15 of the **first** 60 voters. 40 more votes are to be cast, each for one of the three candidates. In how many ways ...

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