level int32 | language string | text_only bool | image image | id string | text string | label string |
|---|---|---|---|---|---|---|
0 | eng | false | lvl-0_2021_4 | 4. What is the longest path? | E | |
0 | eng | false | lvl-0_2021_5 | 5. In the Kangaroo constellation, all the stars contain a number greater than 3, and their sum is 21. Which of these is the Kangaroo constellation? | E | |
0 | eng | false | lvl-0_2021_9 | 9. We stack four sheets of paper as shown in the image. Miquel wants to pierce all four sheets with a single punch. Which hole will Miquel need to punch to go through all four sheets at once? | D | |
0 | eng | false | lvl-0_2022_1 | 1. Ink has spilled on a piece of graph paper, as shown in the image. How many squares have ink? | E | |
0 | eng | false | lvl-0_2022_10 | 10. Which of the following polygons has the smallest area? | A | |
0 | eng | true | lvl-0_2022_11 | 11. Three zebras, Runa, Zara, and Biba, are participating in a contest where the zebra with the most stripes wins. Runa has 15 stripes, Zara has 3 more than Runa, and Runa has 5 fewer stripes than Biba. How many stripes does the winning zebra have? | C | |
0 | eng | false | lvl-0_2022_12 | 12. Cati builds squares like the ones shown in the figures. How many pieces does she need to make a square with a side of 7 cm? | C | |
0 | eng | false | lvl-0_2022_13 | 13. On a glass door, we have painted some fruits as shown in the image on the right. If we look at them from the other side, which of the following images will we see? | D | |
0 | eng | false | lvl-0_2022_14 | 14. Dino moves from where he is, at the entrance, to the exit, passing through different rooms, but he can only pass through each room once. Dino adds up the numbers of the rooms he passes through. What is the highest result he can achieve? | D | |
0 | eng | false | lvl-0_2022_15 | 15. In the image on the right, each of the figures has a different value, and the result of the sum of the values of two rows and one column is shown. What number should be written in place of the question mark so that it represents the sum of the second column? | C | |
0 | eng | false | lvl-0_2022_17 | 17. Kangu's car can only turn left, never right. Which of the following five routes can Kangu take? | E | |
0 | eng | false | lvl-0_2022_18 | 18. Raül and Carme are playing tic-tac-toe. Raül plays by drawing crosses, and Carme plays with circles. If Raül aligns three crosses, he will win, and Carme will win if she aligns three circles. It is Raül's turn. In which square should he place a cross to ensure that two moves later he will align three crosses, regar... | B | |
0 | eng | false | lvl-0_2022_19 | 19. There are five numbered cards placed on the table as shown in the figure. You can swap any two cards at each step. What is the minimum number of steps required to arrange the cards in ascending order? | C | |
0 | eng | false | lvl-0_2022_2 | 2. Kanga has written a number and covered each digit with a shape. Different digits are covered by different shapes, and identical digits are covered by identical shapes. What number could be written under the shapes? | D | |
0 | eng | true | lvl-0_2022_20 | 20. Isabel has a box with 3 chocolates of one kind, 4 of another, and 6 of a third type. How many chocolates does she need to take out of the box, without looking, to ensure she has chosen one of each type? | D | |
0 | eng | false | lvl-0_2022_21 | 21. The figure on the right was cut with scissors into the five parts shown in the answer options. Which of these parts contains the black dot seen in the figure on the right? | E | |
0 | eng | false | lvl-0_2022_23 | 23. Júlia and Robert have a very long spaghetti strand, and initially, they break it into three pieces. Then Júlia breaks one of the pieces into three parts; afterward, Robert does the same with one of the pieces left by Júlia. They continue playing this way, breaking the spaghetti into pieces successively. What number... | D | |
0 | eng | false | lvl-0_2022_3 | 3. The image shows five identical bricks. How many bricks are touching exactly three of the others? | B | |
0 | eng | false | lvl-0_2022_4 | 4. Olivia cuts the drawing you have on the right in half and puts the two pieces together. Which option shows the two pieces of Olivia's drawing? | E | |
0 | eng | false | lvl-0_2022_5 | 5. Llüïsa chooses two odd-numbered cards and one even-numbered card from the cards with numbers you have on the right and adds their values. Which of the following numbers cannot be the result of the sum? | C | |
0 | eng | false | lvl-0_2022_6 | 6. Which piece must be in the middle of the puzzle so that two squares with shared sides do not contain the same number? | E | |
0 | eng | false | lvl-0_2022_8 | 8. Pere wants to properly fit the four puzzle pieces you have on the right to form a square. Which of the following images can he achieve? | B | |
0 | eng | false | lvl-0_2022_9 | 9. The sum of the five numbers that make up each of the two pentagons is 20. There are three numbers we don't know. What number goes in the gray circle? | D | |
0 | eng | false | lvl-0_2023_1 | 1. The two coins with a question mark have the same value. What value do they have? | C | |
0 | eng | false | lvl-0_2023_13 | 13. We place six turtles and two kangaroos in a row and number them, in order, from 1 to 8. We have observed that, whenever we take three animals that are together, with consecutive numbers, one of them is always a kangaroo. Which of these numbers definitely corresponds to a kangaroo? | C | |
0 | eng | false | lvl-0_2023_17 | 17. The answer options show five wall clocks. It is known that one is an hour ahead, another is an hour behind, a third shows the correct time, and the other two are stopped. Which one shows the correct time? | D | |
0 | eng | true | lvl-0_2023_20 | 20. Three frogs live in a pond. Every night, one of the frogs sings a song to the other two.
After 9 nights, we know that the first frog has sung 2 times and that the second frog has heard 5 songs.
How many songs has the third frog heard? | B | |
0 | eng | false | lvl-0_2023_22 | 22. Meritxell paints five cells in a 4×4 grid. She challenges five of her friends to paint a grid identical to hers, and each of them paints one of the grids shown in the answer options. Meritxell looks at them and says: "One of you got it completely right, and the rest of you have four correct cells and one wrong." Wh... | E | |
0 | eng | false | lvl-0_2023_3 | 3. Five identical candles, burning at the same rate, were lit at the same time. They were extinguished at different moments and ended up as shown in the drawing. Which candle was extinguished first? | D | |
0 | eng | false | lvl-0_2023_5 | 5. Jofre folds the transparent paper seen on the right along the dotted line. What sequence of numbers can he see? | D | |
0 | eng | false | lvl-0_2023_6 | 6. Anna has four discs of different sizes. She wants to build towers of three discs in such a way that no larger disc is ever placed on top of a smaller one. How many different towers can Anna build? | D | |
0 | eng | false | lvl-0_2024_1 | 1. What square is divided into two pieces that don't have the same shape? | E | |
0 | eng | false | lvl-0_2024_11 | LAda has built a tower stacking 8 discs as seen in the image on the right. Then, he removes the second disc, counting from the bottom. From the tower that is left, he removes the third disc, counting from the bottom as well. Successively, he removes the fourth disc and finally, he removes the fifth disc, always countin... | B | |
0 | eng | false | lvl-0_2024_12 | Zaida has three cards, each with a three-digit number. Their sum is 782. Unfortunately, a worm has eaten a piece of each card. What is the sum of the three missing digits? | D | |
0 | eng | false | lvl-0_2024_15 | 15. Serge writes the numbers 1 through 4 on a piece of paper, as shown in the figure. Then he turns and writes the numbers 5 through 8, also as shown in the figure. Then he cuts the paper and gets four cards. He shows the partner the cards with the numbers 5 and 6. How many numbers add up to the gray face of the cards ... | B | |
0 | eng | true | lvl-0_2024_17 | 17. A penguin goes fishing every day to feed her two young. She comes back after she has caught 9 fish. She gives 5 to the first young she finds and 4 to the other. In the last few days one of the young has eaten 26 fish. How many has the other young eaten? | D | |
0 | eng | false | lvl-0_2024_18 | 18. Lucia has three blocks of different shapes. First she weighs them two by two and gets the weights shown on the basket. How much do the three blocks weigh together? | A | |
0 | eng | false | lvl-0_2024_2 | 2. A firefighter must extinguish the fire shown in the figure. What is the smallest number of stairs he must use, without having to jump, to reach the fire? | C | |
0 | eng | false | lvl-0_2024_21 | 21. There are exactly two frogs in each row and each column. The frogs decide that two of them will jump, at a time, to a neighboring box if it is empty and that they will not both jump to the same box. After that, there are still two frogs in each row and each column. How many ways have the frogs been able to move? | D | |
0 | eng | false | lvl-0_2024_3 | 3. Helen paints two rows and a column of a grid of 28 squares. How many squares are left unpainted? | A | |
0 | eng | false | lvl-0_2024_7 | 7. Felix is building a cube and has only one cube left to place and finish. See it in the figure on the right. Which of the following figures represents Felix's final construction? | E | |
0 | eng | false | lvl-0_2024_8 | 8. Alex has a poster of a kangaroo hanging on the wall of the kitchen. How many gray tiles are hidden behind the poster? | B | |
1 | eng | false | lvl-1_2015_1 | 1. What is the value of the number represented by the square? | D | |
1 | eng | false | lvl-1_2015_16 | 16. We have three transparent sheets with the patterns shown on the right.
We can rotate the three sheets, but we cannot flip them. We place them exactly
one on top of the other. What is the maximum number of black squares
we can see? | D | |
1 | eng | false | lvl-1_2015_17 | 17. The points in the figure are spaced equidistant from each other. We can arrange four points to form the vertices of a square, and we can do this in several ways. How many squares of different sizes can we find? | D | |
1 | eng | false | lvl-1_2015_2 | 2. The top part of my friend Ann's umbrella has the text
G A
KANGAROO written on it, as shown in the image on the right. Which of the following images also represents the same umbrella? | A | |
1 | eng | true | lvl-1_2015_3 | 3. A number has three digits that, when multiplied, give 15. What is the sum of the three digits of this number? | B | |
1 | eng | false | lvl-1_2015_7 | 7. What number is hidden inside the cloud with the question mark? | D | |
1 | eng | true | lvl-1_2015_8 | 8. Llúís has 7 apples and 2 bananas. Llúís gives 2 apples to Jordi, and Jordi gives bananas to Llúís. Then Llúís has as many apples as bananas. How many bananas did Jordi give to Llúís? | B | |
1 | eng | false | lvl-1_2015_9 | 9. The figure on the right is divided into five parts: 1, 2, 3, 4, and 5.
Each part has a different area. If we arrange them according to their area, from smallest to largest, what is the correct order? | D | |
1 | eng | false | lvl-1_2016_11 | 11. We have two overlapping squares. Each of them has an area of 2016 cm². The overlapping area is one-fourth of the area of each square. What is the total non-overlapping area (white parts in the figure)? | D | |
1 | eng | false | lvl-1_2016_12 | 12. With all the small cubes she has, Jana has built a cube with dimensions 4 × 4 × 4. But Pol came and took away, from top to bottom, all the cubes indicated by the hole in the figure. How many cubes does Jana have left? | B | |
1 | eng | true | lvl-1_2016_14 | 14. The sum of two numbers is 15, and their difference is 3. What is the result of multiplying these two numbers? | B | |
1 | eng | false | lvl-1_2016_15 | 15. On a circumference, we mark five points. Bernat draws all the segments that connect pairs of points. Into how many regions has the circle been divided? | D | |
1 | eng | true | lvl-1_2016_17 | 17. The sum of two numbers is 170. The larger number ends in 5. If we remove this 5, we obtain the other number. What is the difference between these two numbers? | D | |
1 | eng | false | lvl-1_2016_19 | 19. Anna is building a cube with dimensions 6 × 6 × 6 using pieces of 1 × 1 × 2.
She has already completed the part shown in the figure. How many pieces will she need to finish the cube? | C | |
1 | eng | false | lvl-1_2016_4 | 4. Find the sum of the missing numbers. | B | |
1 | eng | false | lvl-1_2016_5 | 5. Maria takes a magnifying glass to better observe some parts of the figure on the right. Which of the following figures can she not see? | E | |
1 | eng | true | lvl-1_2016_6 | 6. The combination to open a safe is a three-digit number with different digits. How many combinations are there if only 1, 3, and 5 can be used? | E | |
1 | eng | true | lvl-1_2016_7 | 7. In a bag, there are 10 red socks, 8 blue socks, and 11 black socks. What is the minimum number of socks we need to take out, in the dark, to be sure we have taken out a pair of the same color? | A | |
1 | eng | false | lvl-1_2016_8 | 8. How many rectangles can be seen in this figure? | E | |
1 | eng | false | lvl-1_2017_1 | 1. What number is hidden behind the panda? | D | |
1 | eng | true | lvl-1_2017_11 | 11. In a small zoo, there is a giraffe, an elephant, a lion, and a turtle. Maria wants to plan a route to visit two different animals. She does not want to start with the lion. How many different routes can she take? | D | |
1 | eng | false | lvl-1_2017_12 | 12. We have a construction with blocks and a plan indicating the number of floors it has. Two squares on the plan have been covered. What is the sum of the numbers in the two covered squares? | C | |
1 | eng | false | lvl-1_2017_15 | 15. How long is the train? | B | |
1 | eng | true | lvl-1_2017_16 | 16. Four siblings have eaten 11 pastries in total. Each of them has eaten at least one pastry. All of them have eaten a different number of pastries. Three of them have eaten a total of 9 pastries, and one of the siblings has eaten exactly 3. How many pastries has the sibling who ate the most eaten? | A | |
1 | eng | false | lvl-1_2017_17 | 17. On a planet, there are 10 islands and 12 bridges arranged according to the diagram. If one wants to prevent traveling from A to B using the bridges, what is the smallest number of bridges that need to be closed? | B | |
1 | eng | false | lvl-1_2017_20 | 20. We have divided one side of an equilateral triangle into four equal parts, and then, with the help of drawing parallel lines, we ended up designing the logo shown in the figure, which can be broken down into triangles that are all identical. What portion of the triangle is occupied by the white color of the M? | C | |
1 | eng | false | lvl-1_2017_3 | 3. In the figure, we have a table with sums. Ink has spilled on it, and we cannot see all the numbers. What number should be under the question mark? | E | |
1 | eng | false | lvl-1_2017_5 | 5. The drawing on the right shows what Aina sees if she stands in front of her house.
The back side has three windows and no door. Which image shows what Aina sees
when she looks at the house from the back side? | E | |
1 | eng | false | lvl-1_2017_6 | 6. We place numbers inside the cells of the 4 × 4 grid, as shown in the figure. Marga is looking for a 2 × 2 square such that the sum of the four numbers in the square is the largest possible. What is the greatest result she can find for the sum? | D | |
1 | eng | true | lvl-1_2017_7 | 7. In a store, balloons are sold in packs of 5 balloons, 10 balloons, or 25 balloons. Mateu wants to buy 70 balloons. What is the smallest number of packs needed to provide him with the 70 balloons? | B | |
1 | eng | true | lvl-1_2017_9 | 9. Jaume wants to cook 5 dishes in a kitchen that only has two burners. To cook one of the five dishes, he needs 40 minutes; for another, 15 minutes; for another, 35 minutes; for another, 10 minutes; and for the remaining one, 45 minutes. He can cook them in whatever order works best for him using the two burners, and ... | C | |
1 | eng | false | lvl-1_2018_1 | 1. On the right, we see a ladybug. If it turns around itself, which of the drawings below cannot correspond to the ladybug? | D | |
1 | eng | false | lvl-1_2018_15 | 15. Toni uses ten cubes to build the structure shown on the right.
Then he paints the entire exterior, including the bottom. How many cubes have exactly 4 faces painted? | C | |
1 | eng | true | lvl-1_2018_18 | 18. To defeat a dragon, a knight must cut off all its heads. However, when the knight cuts off 3 of the dragon's heads, even if they are the last three, a new head immediately grows. The knight defeats the dragon by cutting off a total of 13 heads. How many heads did the dragon have at the beginning? | B | |
1 | eng | false | lvl-1_2018_4 | 4. Albert fills the grid in the figure with these five numbers: 1, 2, 3, 4, and 5. Each number appears only once in each column and each row. What number must Albert place in the square marked with a question mark? | D | |
1 | eng | true | lvl-1_2018_9 | 9. There are butterflies and dragonflies on the flowers of a rose bush. The rose bush has 8 flowers, and there is no more than one insect on each flower, but more than half of the flowers have insects. If the number of butterflies is double the number of dragonflies, how many butterflies are there? | C | |
1 | eng | false | lvl-1_2019_1 | 1. In a race, a podium has been designed for the top five finishers, as shown in the figure. On the highest position, the athlete who finished first is placed; on the second-highest position, the one who finished second, and so on. Who finished in third place? | E | |
1 | eng | false | lvl-1_2019_10 | 10. If David cuts out one of the five small squares from the figure on the right, how many of the following figures can he obtain? | C | |
1 | eng | false | lvl-1_2019_11 | 11. Maria has cut her birthday cake in half. Then, she cut one of the halves in half again. One of the smaller pieces she obtained was also cut in half. And she did it once more, cutting one of the new smaller pieces into two halves. The figure shows how the cake looks when viewed from above. If one of the small pieces... | D | |
1 | eng | true | lvl-1_2019_12 | 12. On a farm, there are 15 animals, including cows, chickens, and goats. We know that exactly 10 animals are not cows and that exactly 8 are not chickens. How many cows and chickens are there in total? | D | |
1 | eng | false | lvl-1_2019_15 | 15. A glass full of water weighs 400 grams. The same empty glass weighs 100 grams. How much does the glass filled with water exactly up to the halfway point weigh? | D | |
1 | eng | false | lvl-1_2019_17 | 17. Sarat has 16 white balls. She can exchange balls in two ways:
she can give 3 white balls and receive 1 gray ball, or she can give 2
gray balls and receive 5 black balls. What is the maximum number of
black balls she can obtain? | B | |
1 | eng | false | lvl-1_2019_18 | 18. Aina used 32 small gray squares to frame a 7 × 7 image. How many gray squares does she need to frame a 10 × 10 image? | D | |
1 | eng | false | lvl-1_2019_19 | 19. The weight of the dogs in the image is a natural number, and all of them weigh the same. The two scales are unbalanced, and the numbers on the weights indicate how many kilograms each one weighs. How much does one dog weigh? | E | |
1 | eng | false | lvl-1_2019_20 | 20. A hallway has the shape and dimensions shown in the figure. A cat walks from M to N along the dotted line that is right in the middle of the hallway. How many meters has the cat walked? | D | |
1 | eng | true | lvl-1_2019_21 | 21. The pages of a book are numbered 1, 2, 3, 4, 5, ... and so on. Among all the digits used to number the pages, the digit 5 appears exactly 16 times. What is the maximum number of pages the book can have? | C | |
1 | eng | true | lvl-1_2019_6 | Grandma Helena and Grandpa Josep went mushroom hunting and picked 18. Grandma found 2 more than Grandpa. How many mushrooms did Grandpa find? | D | |
1 | eng | false | lvl-1_2019_8 | 8. Five square cards of the same size are stacked on the table, as shown in the figure. If we now want to pick them up one by one from the top of the stack, in what order should we pick them up? | E | |
1 | eng | false | lvl-1_2019_9 | 9. Mercè pinned 3 photographs in a row on a corkboard using 8 thumbtacks.
Pere wants to pin 7 photographs in the same way. How many thumbtacks does he need? | B | |
1 | eng | false | lvl-1_2020_1 | 1. Josep has two square sheets of paper, exactly the same size. One has holes, and the other has stars drawn on it. If he places the sheet with holes directly on top of the sheet with drawings, what will he see? | A | |
1 | eng | false | lvl-1_2020_10 | 10. Every time the kangaroo climbs 7 steps, the rabbit goes down 3 steps. On which step will they meet? | D | |
1 | eng | true | lvl-1_2020_12 | 12. The sum of three numbers is 50. Cinta subtracts a secret number from each of the three numbers and obtains 24, 13, and 7. Which of the following numbers is one of the three original numbers? | A | |
1 | eng | false | lvl-1_2020_13 | 13. Amàlia wants to build a crown using pieces that are all identical to the one shown separately in the figure. The sides of the pieces that touch must have the same number. She has already placed four pieces. What number will be in the spot marked with an X? | D | |
1 | eng | false | lvl-1_2020_15 | 15. Fàtima reflects the letter F over the two lines shown in the figure on the right as if they were mirrors. What will the reflected images look like? | E | |
1 | eng | false | lvl-1_2020_17 | 17. On a die, the sum of the numbers on opposite faces is always 7. We have a die on the square marked with a 1, and we roll it to the right five times until it reaches the square marked with a 6. When the die is on this final square, what is the sum of the three faces marked with a question mark? | B | |
1 | eng | true | lvl-1_2020_18 | 18. The kangaroo has to guess a 3-digit number that the little kangaroo has thought of. The kangaroo says these three numbers: 123, 145, 643. The little kangaroo replies that each time, only one digit is correct and in its correct position. What is the number the little kangaroo has thought of? | D | |
1 | eng | false | lvl-1_2020_2 | 2. Which tile completes the tiling? | E | |
1 | eng | false | lvl-1_2020_22 | 22. Inside a large square, we have drawn three attached squares.
What is the length of the segment marked with the question mark? | E |
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