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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Kangarina discovered that someone had eaten her jar of honey. She suspected one of her four neighbours: the antelope Anty, the bear Beary, the fox Foxy or the lion Leo. Anty stated that Beary ate the honey. Beary stated that it was Leo. Foxy and Leo denied eating the honey. Who ate the honey if only one of them is telling the truth ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Square paper sheets of two sizes are needed for an art project. How many of the smaller sheets are needed to cover one of the larger sheets if it is known that the perimeter of one of the larger sheets is eight times as great as the perimeter of one of the smaller sheets ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
On Jump Street, there are 9 houses in a row. At least one person lives in each house. Any two neighbouring houses together are inhabited by at most six people. What is the largest number of people that could be living on Jump Street ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
In a bag there are 3 green apples, 5 yellow apples, 7 green pears and 2 yellow pears. Simon randomly is talking fruits out of the bag one by one. How many fruits must he take out in order to be certain that he has at least one apple and one pear of the same colour ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Two cats, Tom and Bob, caught together 42 mice in three days. Each day, Tom caught twice as many mice as in the previous day, while Bob caught two more mice than in the previous day. Nonetheless, both cats caught the same number of mice for the three days. How many mice did Tom and Bob catch together during the first day ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Five children were standing in a line and holding 37 balloons in total. All children who were to the right of Andrew had together 14 balloons; all children standing to the right of Bob had together 32 balloons, the ones to the right of Clara – a total of 20 balloons, and to the right of Danny – 8 balloons. How many balloons did Clara hold ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Mary wrote a number on each face of a cube ABCD.EFGH. Then, for each vertex, she added the numbers on the three faces sharing that vertex ( for example, for vertex B she added the numbers on faces BCDA, BAEF and BFGC ). The numbers computed by Mary for vertices C, D and E were 14, 16 and 24, respectively. What number did she compute for vertex F ?
![IMAS 2012 - Grade 5.6 - 152]()
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
A train has 12 coaches. Each coach has the same number of compartments. Mike is travelling in the third coach and in the 18th compartment from the engine. Jane sat in the 7th coach in the 50th compartment from the engine. How many compartments are there in each coach ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
In how many ways can you place the three kangaroos in three different cells, out of the seven cells below, so that no two kangaroos are neighbours ?
![IMAS 2012 - Grade 5.6 - 153]()
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Four points lie on a line. The distances between them are, in increasing order: 2, 3, k, 11, 12, 14. What is the value of k ?
Hỏi lúc: 13-12-2018 14:36
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164 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Basil used small cubes with side 1 to construct a cube with side 4. After that, he painted 3 faces of the big cube red and the other 3 faces blue. After her finished, there was no small cube with 3 red faces. How many small cubes have both red and blue faces ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Aron, Bern and Carl always lie. Each of them owns one stone, either a red stone or a green stone. Aron says: “ My stone is the same color as Bern’s stone”, Bern says: “ My stone is the same color as Carl’s stone”. Carl says: “ Exactly two of us own red stones”. Which of the following statements is true ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
66 cats signed up for the contest MISS CAT 2013. After the first round 21 were eliminated because they failed to catch mice. 27 cats out of those that remained in the contest had stripes and 32 of them had one black ear. All striped cats with one black ear got to the final. What is the minimum number of finalists ?
Hỏi lúc: 13-12-2018 14:36
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118 views
Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
A 2 x 2 x 2 cube is to be constructed using 4 white and 4 black unit cubes. How many different cubes can be constructed in this way ? ( Two cubes are not different if one can be obtained by rotating the other )
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
How many 3-digit numbers possess the following property: after subtracting 297 from such a number, we get a 3-digit number consisting of the same digits in the reverse order ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Alice forms 4 identical numbered cubes using the net shown. She then glues them together to form a 2 x 2 x 1 block, as shown. Only faces with identical numbers are glued together. Alice then finds the total of all the numbers on the surface of the block. What is the largest total that Alice can get ?
![IMAS 2012 - Grade 5.6 - 140]()
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Matthew is catching fish. If he had caught three times as many as he actually did, he would have 12 more. How many fish did he catch ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
A cake weight 900g. Paul cuts it into 4 pieces. The weight of the largest piece is the same as the total weight of the other three pieces. What is the weight of the largest piece ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Two big rings-one grey, one white – are linked to each other. Peter, in front of the rings, sees the rings as in the picture.
![IMAS 2012 - Grade 5.6 - 123]()
Paul is behind the rings. What does he see ?
![IMAS 2012 - Grade 5.6 - 124]()
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
In the addition beside, some of the digits have been replaced by stars. What is the sum of the missing digits ?
![IMAS 2012 - Grade 5.6 - 125]()
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
What is the difference between the smallest 5-digit number and the largest 4-digit number ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Katrin has 38 matches. She built a triangle and a square, using all the matches. Each side of the triangle consists of 6 matches. How many matches are in each side of the square ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
A square of perimeter 48 cm is cut into 2 pieces to make a rectangle ( see the picture )
What is the perimeter of the rectangle ?
![IMAS 2012 - Grade 5.6 - 126]()
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
A Ferris wheel has 32 passenger cabins. If you are sitting in cabin 14 which is currently at the top of the wheel, what is the number of the cabin at the bottom of the wheel ?
Hỏi lúc: 13-12-2018 14:36
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
The pearl necklace in the picture contains black pearls and white pearls.
![IMAS 2012 - Grade 5.6 - 127]()
Arno wants to have five of the black pearls. He can only take pearls from either end of the necklace, and so he has to take some of the white pearls also. What is the smallest number of white pearls Arno has to take ?
Hỏi lúc: 13-12-2018 14:36










