2006 袋鼠数学 D-Cadet 真题 答案 详解

英文真题

Kangaroo 2006— Cadet Max Time: 95 min Cadet: Class (7-8) 3-Point-Problems 1. The contest Kangaroo in Europe has taken place every year since 1991. So, the contest Kangaroo in 2006 is the A) 15th B) 16th C) 17th D) 14th 2. 20×(0+6)-(20×0)+6= A) 106 B) 114 C) 126 D) 12 3. The point O is the center of a regular pentagon. How much of the pentagon is shaded? A) 20% B) 25% C) 30% D) 40% 4. Fatima told her grandchildren: “If I give 2 toffees each of you I am left with 3 toffees. But if I try to give 3 toffees each of you I face a short of 2 toffees.” How many grandchildren does Fatima have? A) 3 B) 4 C) 5 D) 6 5. A cube with two holes in the right picture has one of the following nets: A B C D 6. An interview of 2006 schoolchildren from Minsk (capital of Belorussia) revealed that 1500 of them participated in the "Kangaroo" contest, 1200 - in the "Bear cub" competition. How many from the interviewed children participated in both competitions, if 6 of them did not participate in either of the competitions? A) 300 B) 500 C) 600 D) 700