Đề thi Toán Kangaroo năm 2020 Cấp độ Minor, Khối 3-4

 Lietuvos Respublikos §svietimo,mokslo ir sporto ministerija Vilniaus universitetas
 18. 6 people each order one scoop of ice cream. They
 Keng©uros konkurso organizavimo komitetas Lietuvos matematikudraugija
 order 3 scoops of vanilla, 2 scoops of chocolate and
 1 scoop of lemon. Three of them top the ice cream
 with a cherry, 2  with a wafer and 1  with a chocolate chip. They use one
 topping on each scoop, such that no two ice creams are alike. Which of the
 following combinations is not possible? KANGAROO 2020
 A) Chocolate with a cherry B) Vanilla with cherry C) Lemon with a wafer
 D) Chocolate with a wafer E) Vanilla with a chocolate chip
19. The Queen tries to nd out the three names of Rumpelstiltskin's wife. She asks Minor
 her: Are you called Adele Lilly Cleo? Are you called Adele Laura Cora? Are Time allowed: 75 minutes
 Calculators are not permitted 3--4 grades
 you called Abbey Laura Cleo? Each time exactly one name and its position was
 right. What is the name of Rumpelstiltskin's wife? Questions for 3 points
 A) Abbey Lilly Cora B) Abbey Laura Cora C) Adele Laura Cleo
 D) Adele Lilly Cora E) Abbey Laura Cleo 1. How much is 1+2+3+4+5+4+3+2+1?
 A) 20 B) 22 C) 24 D) 25 E) 31 16 + 4 19 + 1 28 8
 20. The teacher writes the numbers from 1 to 8 on the board. −
 The teacher then covers the numbers with triangles, squares 2. Tysger shades all the squares in the grid where the result is
 2 10 16 4 7 3
 and a circle. If you add the four numbers covered by the 20. Which shape does he get? · − ·
 triangles, the sum is 10. If you add the three numbers covered
 by the squares, the sum is 20. Which number is covered by the circle?
 A) 3 B) 4 C) 5 D) 6 E) 7 A) B) C) D) E)
 21. Six dierent numbers chosen from 1 to 9 are written on the faces
 of a cube, one number on each face. The sums of numbers on each 3. A mushroom grows every day. Mary takes a picture of the mushroom each day
 pair of opposite faces are equal. Which number could be on the face from Monday to Friday. Which of these pictures was taken on Tuesday?
 opposite to the face with the number 5?
 A) 3 B) 5 C) 6 D) 7 E) 9
22. Several teams came to the summer Kangaroo camp. Each team has 5 or 6
 members. There are 43 people in total. How many teams are at this camp? A) B) C) D) E)
 A) 4 B) 6 C) 7 D) 8 E) 9 4. You can make dierent gures by using pieces on the right. Which
23. Which key would it be impossible to cut into three dierent gures of ve shaded one of the gures below can you make with these pieces?
 squares?
 A) B) C) D) E)
 A) B) C) D) E)
24. Ann replaces letters in the calculation KAN ROO + GA with numbers from 1
 to 9 and then calculates the result. The same− letters are replaced by the same 5. Which of the following gures has the largest part shaded?
 numbers and dierent letters by dierent numbers. What is the largest possible
 result she could get?
 A) 925 B) 933 C) 939 D) 942 E) 948
 c 2020 Keng©uros konkurso organizavimo komitetas A) B) C) D) E)