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英文真题

KSF 2017 - Problems Junior (Class 9 & 10)

Time Allowed: 180 minutes

SECTION ONE - (3 points problems)

1. In this diagram each number is the sum of the two numbers below. Which number must be in the cell marked with "?"?

2039
?
2020
2017

(A) 15
(B) 16
(C) 17
(D) 18
(E) 19

1. Peter wrote the word KANGAROO on a piece of transparent glass (see figure). What will he see if he turns this piece over around its right side and then rotates it one half-turn?
   (A) KANGAROO
   (B) OORAGNOO
   (C) KANGAROO
   (D) OOBACGNAK
   (E) KANGAROO

2. Angela made a decoration with grey and white asteroids. The areas of the asteroids are 1 cm², 4 cm², 9 cm² and 16 cm². What is the total area of the visible grey regions?
   (A) 9 cm²
   (B) 10 cm²
   (C) 11 cm²
   (D) 12 cm²
   (E) 13 cm²

3. Maria has 24 euros. Every one of her 3 siblings has 12 euros. How much does she have to give to each of her siblings so that each of the four siblings has the same amount?
   (A) 1
   (B) 2
   (C) 3
   (D) 4
   (E) 6

中英双语真题

Kangaroo Math Competition 2017 (Malaysia) - Junior
3 points

1. In this diagram each number is the sum of the two numbers below it. Which number must be in the cell with the question mark?

Setiap nomor pada rajah berikut merupakan hasil tambah dua nomor yang berada di bawahnya. Nomor apakah berada pada petak yang bertanda soal?
在图中，每一个数字是它下方两个数字之和。请问含有问号的格子里的数字是多少？
2039
2020
?
2017
(A) 15 (B) 16 (C) 17 (D) 18 (E) 19

2. Angela made a decoration with grey and white asteroid shapes. The areas of the asteroids are 1 cm², 4 cm², 9 cm² and 16 cm². What is the total area of the visible grey regions?

Angela telah membuat sebuah perhiasan dengan asteroid berwarna kelabu dan putih. Luas asteroid tersebut ialah 1 cm², 4 cm², 9 cm², dan 16 cm². Apakah jumlah luas kawasan berwarna kelabu yang boleh dilihat?
Angela 用灰与白的小行星形状制作一个装饰品。小行星的面积分别为 1 cm²、4 cm²、9 cm² 与 16 cm²。请问可见的灰色区域的总面积为多少？
(A) 9 cm² (B) 10 cm² (C) 11 cm² (D) 12 cm² (E) 13 cm²