2017 袋鼠数学 D-Cadet 真题 答案 详解
2017-04-08 mathkangaroo mathkangaroo D-Cadet
| 序号 | 文件列表 | 说明 | ||
|---|---|---|---|---|
| 1 | 2017-D-Cadet-paper-eng.pdf | 7 页 | 1.20MB | 英文真题 |
| 2 | 2017-D-Cadet-key.pdf | 1 页 | 14.45KB | 真题答案 |
英文真题
KSf 2017 - Problems Cadet (Class 7 & 8)
Time Allowed: 180 minutes
SECTION ONE - (3 points problems)
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What is the time 17 hours after 17:00? (A) 8:00 (B) 10:00 (C) 11:00 (D) 12:00 (E) 13:00
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A group of girls stands in a circle. Xena is the fourth on the left from Yana and the seventh on the right from Yana. How many girls are there in the group? (A) 9 (B) 10 (C) 11 (D) 12 (E) 13
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What number must be subtracted from −17 to obtain −33? (A) −50 (B) −16 (C) 16 (D) 40 (E) 50
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The diagram shows a stripy isosceles triangle and its height. Each stripe has the same height. What fraction of the area of the triangle is white? (A) 1/2 (B) 1/3 (C) 2/3 (D) 3/4 (E) 2/5
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Which of the following equalities is correct? (A) ( \frac{4}{1} = 1.4 ) (B) ( \frac{5}{2} = 2.5 ) (C) ( \frac{6}{3} = 3.6 ) (D) ( \frac{7}{4} = 4.7 ) (E) ( \frac{8}{5} = 5.8 )
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The diagram shows two rectangles whose sides are parallel. What is the difference in the lengths of the perimeters of the two rectangles?
(A) 12 m (B) 16 m (C) 20 m (D) 21 m (E) 24 m
