Combinatorics: 전제 확인
저희는 최대한 쉬운 말로 어려운 개념을 가르칩니다. 필요한 말과 개념을 아는지 확인해봅시다. 이 테스트에서 80% 이상의 점수를 받고 place-out test에서는 70% 미만의 점수를 받는다면 이 강좌가 적합합니다. 이해해야 할 기본 내용만 확인하므로, 이 시험은 아주 쉬울 것입니다.
남은 시간:
10:00
10:00
1.
If \(a = 2^b c\) and \(b = 3\) and \(c = 5,\) what is \(A?\)
\(13\)
\(30\)
\(40\)
\(45\)
\(256\)
2.
Calculate:
\[\frac{6 \times 5 \times 4}{3 \times 2 \times 1}\]
\(\displaystyle \frac{5}{2}\)
\(15\)
\(20\)
\(80\)
\(720\)
3.
All but one of these rings of 6 beads can be obtained from the others by rotating or flipping over the ring. Which is the unusual one?
4.
When buying a certain model of phone, there are \(3\) colors to choose from, and \(3\) different amounts of storage to choose from. How many different combinations are there for that phone model?
\(6\)
\(9\)
\(27\)
\(64\)
\(720\)
5.
Jenny has \(3\) skirts, \(2\) pants, and \(4\) shirts. How many ways can she create an outfit with one of the shirts, and either a skirt or pant?
\(8\)
\(9\)
\(12\)
\(20\)
\(24\)
6.
Everybody in a certain middle school takes French, Spanish, or both. The French teacher has a total of \(90\) students, and the Spanish teacher has a total of \(110\) students. There are \(20\) students in both languages. How many students are at the school?
\(180\)
\(190\)
\(200\)
\(210\)
\(220\)