[신나는 공부]Let's Think! 영어사고력 문제

■ 응모 문제 ■

Different weights are sitting on a balanced scale as seen in the picture below. List the weights from the heaviest to the lightest.

[Tip!]

weight → 추

scale → 양팔저울

list → 나열하다

저울의 양쪽 무게가 같다는 것을 수식으로 나타내 봅시다.

■ 도전! 하나 ■

Five married women, A, B, C, D and E, are close friends. What is notable about their occupation is that there is no couple where the wife and the husband have the same job. At the same time, the five friends have five different jobs, and the husbands have the same set of five different jobs. Reading the hints below, find out the job of the wife of the TV reporter.

< Hints >

-The job of the wife of the Tae-kwon-Do instructor is the same as that of E’s husband.

-C, whose husband is an interior designer, is a TV reporter.

-E is an interior designer, A is a painter, and B is a singer.

-D’s husband is a painter.

[Tip!]

close friends → 절친한 친구

notable → 특이한, 주목할 만한

occupation → 직업

■ 도전! 둘 ■

The following figure is made up of 13 match sticks. One can find 7 small and big triangles in it. Remove 3 match sticks so that you have a figure with 3 triangles.

[Tip!]

match stick → 성냥개비

remove → 제거하다

■ 도전! 셋 ■

The following picture shows the electricity lines(blue) and the gas pipes(red) for 12 houses, A, B, C… up to L. Last sunday, both the electricity and the gas were supplied for A, while only either one of them was supplied for B, D, G, I and L. Then what should C and K, respectively, have been getting on that same day? Note that the electricity line or the gas pipe supplies the electricity or the gas to either all of the houses connected, or no house at all.

[Tip!]

gas pipe → 가스관

respectively → 각각

note → 주목하라, 기억하라

같은 선으로 연결되어 있다. 그 선 위에 있는 어떤 집이 전기나 가스를 공급받고 있으면 다른 집도 같은 것을 공급받고 있다는 뜻이겠죠?

■ 도전! 넷 ■

The different symbols represent different numbers in the following equations. If the triangle stands for a number which is less than 5, what does the circle represent?

■ 도전! 다섯 ■

The following statements are the rules for a game called the ‘life’, invented by an English mathematician in the 1970's. Examine the rules of the game and example below and complete the given figures.

< Rules >

1.A living square survives in the next generation if it finds 2 or 3 living squares among the 8 squares surrounding itself.

2.A dead square revives in the next generation if it finds exactly 3 squares alive among the 8 squares surrounding itself.

3.In the rest of the cases except the two above, the squares die in the next generation because there are too few or too many lives around. The following pictures show a case where the rule of the game makes lives completely extinct.

Complete the following figures according to the rules above.

☞ 응모문제의 정답을 맞힌 학생 중 5명을 선정해 5만 원 상당의 문화상품권을 드립니다. CMS 홈페이지(www.cmsonlin.co.kr) 코너에서 응모방법과 원어민동영상 강의를 보실 수 있습니다.