Top PDF 2017IMAS Second Round Middle Primary Division Problems

2017IMAS Second Round Middle Primary Division Problems

2017IMAS Second Round Middle Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2018IMAS Second Round Middle Primary Division Problems

2018IMAS Second Round Middle Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2014IMAS Second Round Middle Primary Division Problems

2014IMAS Second Round Middle Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2015IMAS Second Round Middle Primary Division Problems

2015IMAS Second Round Middle Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2016IMAS Second Round Middle Primary Division Problems

2016IMAS Second Round Middle Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2017IMAS First Round Middle Primary Division Problems

2017IMAS First Round Middle Primary Division Problems

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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2017IMAS Second Round Upper Primary Division Problems

2017IMAS Second Round Upper Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2017IMAS Second Round Middle Primary Division Full Solutions

2017IMAS Second Round Middle Primary Division Full Solutions

To form a centrally symmetric picture by adding some white squares but no black squares, what is the least number of white squares needed. Please draw the centrally symme[r]

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2017IMAS Second Round Junior Division Problems

2017IMAS Second Round Junior Division Problems

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 marks. z Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2018IMAS First Round Middle Primary Division Problems

2018IMAS First Round Middle Primary Division Problems

Four students namely Annie, Benny, Charlie and Deany all paid the same amount of money to buy some number of notebooks together.. After distributing the notebooks, Annie, Ben[r]

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2014IMAS First Round Middle Primary Division Problems

2014IMAS First Round Middle Primary Division Problems

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. Oliver arranges his toy ducks and toy turtles in a row as shown in the diagram.

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2015IMAS First Round Middle Primary Division Problems

2015IMAS First Round Middle Primary Division Problems

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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2016IMAS First Round Middle Primary Division Problems

2016IMAS First Round Middle Primary Division Problems

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 receives a different number. What is the smallest number of balloons that can go to the child receiving more balloons than the others?

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2018IMAS Second Round Upper Primary Division Problems

2018IMAS Second Round Upper Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

9 閱讀更多

2014IMAS Second  Round Upper Primary Division Problems

2014IMAS Second Round Upper Primary Division Problems

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 marks. Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

9 閱讀更多

2015IMAS Second  Round Upper Primary Division Problems

2015IMAS Second Round Upper Primary Division Problems

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 counter-clockwise at the same time. Jane’s speed is 120 m per minute and Yves’s is 150 m per minute. Each pauses for 1 second whenever they are at the points A, B, C or D. How many seconds after starting will Yves overtake for the first time with Jane?

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2016IMAS Second Round Upper Primary Division Problems

2016IMAS Second Round Upper Primary Division Problems

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 marks. z Questions 1 to 5 are given as a multiple-choice test. Each question has five possible options marked as A, B, C, D and E. Only one of these options is correct.

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2018IMAS Second Round Middle Primary Division Full Solutions

2018IMAS Second Round Middle Primary Division Full Solutions

【Solution】 Focusing on the four circles in the triangle area. Color the six circles in a specific sequence. Firstly, there are 4 ways to color the top circle. Secondly, there are three ways to color the circle right under the top circle, which is not the same color of the first one. Thirdly, there are 2 ways to color the circle on the right vertex of the triangle, which is not the same color as the first circle and as the second circle.

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2014IMAS Second  Round Middle Primary Division Full Solutions

2014IMAS Second Round Middle Primary Division Full Solutions

By observation, we discover that each of the number in the first set when divided by 3 will give a remainder of 1, each number in the second set when divided by 3 will give a remainder of 2 and each number in the third set when divided by 3 or when each of them is divided by 3 will give a remainder of 0. Hence, according to the meaning of the problem, we must form a three-digit number where the digit in each place is selected from each set and the sum of all the digits formed when divided by 3 will give a remainder of 0, that is; the arrangement of all the three-digit numbers that formulate is always divisible by 3. Hence, we just need to find all those three-digit numbers from the above that are divisible by 2; or the digit in the units place is an even number.
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2015IMAS Second  Round Middle Primary Division Full Solutions

2015IMAS Second Round Middle Primary Division Full Solutions

【 Suggested Solution 】 Add three balls in, use six 0s to represent the balls and two 1s to represent the dividing lines separating the balls going into different boxes. The first 1 has 5 positions to choose from. Then the second 1 has 4 choices. However, since the two 1s are not distinguished, the total number of ways is 5 4 × ÷ = 2 10 . After this, remove 1 ball from each box for allow some boxes to be empty.

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