2008 袋鼠数学 B-Ecolier 真题 答案 详解

英文真题

International Kangaroo Mathematics Contest 2008 Ecolier Level: Class (3 & 4) Max Time: 2 Hours 3-point problems 1) We eat 3 meals a day. How many meals do we eat in a week? A) 7 B) 21 2) An adult ticket to the ZOO costs 4 rupees, the ticket for a child is 1 rupee cheaper. How many rupees must a father pay to enter the ZOO with his two children? A) 6 B) 10 3) We make a sequence of figures with tiles. The first four figures have 1, 4, 7 and 10 tiles, respectively. How many tiles will the fifth figure have? A) 13 B) 14 4) Ayesha has 37 CDs. Her friend Aniqa said: “If you give me 10 of your CDs, we will both have the same number of CDs.” How many CDs does Aniqa have? A) 17 B) 27 5) How many stars are inside the figure? A) 95 B) 100