Semana 03&04 - Permutações e Arranjo

Semana 03&04 - Permutações e Arranjo

10th - 12th Grade

11 Qs

quiz-placeholder

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Semana 03&04 - Permutações e Arranjo

Semana 03&04 - Permutações e Arranjo

Assessment

Quiz

Mathematics

10th - 12th Grade

Practice Problem

Hard

Created by

MARCOS RODRIGUES

Used 14+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quantos anagramas podem ser formados com as letras da palavra "ANAGRAMA"?

P8=8!P_8=8!

P84=8!4P_8^4=\frac{8!}{4}

P84=8!4!P_8^4=\frac{8!}{4!}

P84=4!8!P_8^4=\frac{4!}{8!}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quantos anagramas podem ser formados com as letras da palavra "ARARA"?

P5=5!P_5=5!

P53,2=5!(3+2)!P_5^{3,2}=\frac{5!}{\left(3+2\right)!}

P53,2=5!32P_5^{3,2}=\frac{5!}{3\cdot2}

P53,2=5!3!2!P_5^{3,2}=\frac{5!}{3!\cdot2!}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual expressão representa A7,4A_{7,4} 

 7!4!\frac{7!}{4!}  

 4!7!\frac{4!}{7!}  

 (74)!4!\frac{\left(7-4\right)!}{4!}  

 7!(74)!\frac{7!}{\left(7-4\right)!}  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Qual expressão representa 10!7!\frac{10!}{7!} 

 A10,3A_{10,3}  

 A10,7A_{10,7}  

 P103P_{10}^3  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual expressão representa An,3A_{n,3} 

 n!3!\frac{n!}{3!}  

 n!n3\frac{n!}{n-3}  

 n!(n3)!\frac{n!}{\left(n-3\right)!}  

 n!n3!\frac{n!}{n-3!}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Uma prova do tipo C/E tem 10 questões do tipo teste, cada uma valendo 1 ponto se estiver certa ou 0 ponto se estiver errada. De quantos modos é possível tirar nota 7 nessa prova?

10!10!

10!7!\frac{10!}{7!}

10!7!3!\frac{10!}{7!\cdot3!}

10!(107)!\frac{10!}{\left(10-7\right)!}

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Um casal pretende ter 4 filhos, sendo 2 meninas e 2 meninos, em qualquer ordem de nascimento. Quantas são as ordens possíveis em que podem ocorrer esses 4 nascimentos?

4!4!

4!2!\frac{4!}{2!}

4!2!2!\frac{4!}{2!\cdot2!}

4!(2+2)!\frac{4!}{\left(2+2\right)!}

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