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英文真题

KSF 2014 - finalized problems Benjamin

3 points

1. Arno spelled the word KANGAROO with cards showing one letter at a time. Unfortunately some cards were tipped. Tipping back twice he can correct the letter K and tipping once he can correct the A - see the figures. How many times does he need to tilt for all of the letters to be correct?

(A) 4 (B) 5 (C) 6 (D) 7 (E) 8

2. A cake weighs 900 g. Paul cuts it in 4 pieces. The biggest piece is as heavy as the 3 others weight altogether. What's the weight of the biggest piece?

(A) 250 g (B) 300 g (C) 400 g (D) 450 g (E) 600 g

3. Two great rings, one grey, one white, are linked in each other. Peter, in front of the rings, sees the rings as in the picture. Paul is behind the rings. What does he see?

(A) (B) (C)

(D) (E)

4. In the following addition, some of the digits have been replaced by stars.

1★2
1★3
1★4

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309

What is the sum of the missing digits?
(A) 0 (B) 1 (C) 2 (D) 3 (E) 10

5. What is the difference between the smallest 5-digit number and the largest 4-digit number?

(A) 1 (B) 10 (C) 1111 (D) 9000 (E) 9900

6. A square of perimeter 48 cm is cut into 2 pieces to make a rectangle (see picture). What is the perimeter of the rectangle?

(A) 24 cm (B) 30 cm (C) 48 cm (D) 60 cm (E) 72 cm

中英双语真题

1. Arno spelled the word KANGAROO with cards showing one letter at a time. Unfortunately some cards were tipped. Tipping back twice he can correct the letter K and tipping once he can correct the A - see the figures. How many times does he need to tilt for all of the letters to be correct?

Arno mengeja per kataan KANGAROO menggunakan beberapa keping kad, setiap satu mengandungi satu huruf. Walau bagaimana pun, beberapa keping kad telah diputarkan. Dengan memutarkan dua kali, dia boleh membetulkan huruf K, dan dengan memutarkan sekali, dia boleh membetulkan huruf A - rujuk gambarajah. Berapa putaran yang perlu dibuat untuk membetulkan semua huruf? Arno将KANGAROO一个字母一张地写在卡上。一些卡片被倒转了。他可以翻转两次把字母K摆正和翻转一次把A摆正-参考下图。问他需要转多少次才能摆正每个字母？

(A) 4 (B) 5 (C) 6 (D) 7 (E) 8

2. A cake weighs 900 g. Paul cuts it in 4 pieces. The biggest piece is as heavy as the 3 others weight altogether. What's the weight of the biggest piece?

Suatu kek mempunyai berat 900 g. Paul memotongnya kepada 4 bahagian. Bahagian paling besar mempunyai berat yang sama dengan gabungan 3 bahagian yang lain. Apakah berat bahagian yang paling besar? 一个蛋糕重900克。Paul把它切成4块。已知最大的那一块蛋糕跟其他3块的总和一样重。求最大的一块蛋糕的重量。

(A) 250 g (B) 300 g (C) 400 g (D) 450 g (E) 600 g