Rec 2º A
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
JHEIMY OLIVEIRA
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Uma pizzaria oferece as seguintes opções de sabores de pizza: frango, calabresa, presunto, vegetariana e portuguesa. Além disso, a pizzaria oferece três tamanhos de pizza: pequeno, médio, grande e gigante. Quantas composições diferentes de pizza podemos criar?
15
20
16
19
2.
FILL IN THE BLANK QUESTION
1 min • 10 pts
Considere que uma pessoa possui 6 camisas de cores diferentes, 3 calças de modelos diferentes e 2 sapatos de tipos diferentes (tênis e sapato social). De quantas modos diferentes essa pessoa pode se vestir?
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
0! é igual a:
1
0
Nenhuma das alternativas
Indeterminado
4.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Uma fila é composta por 8 pessoas; de quantas maneiras diferentes essas pessoas podem se organizar nessa fila?
40.320
9!
8!
20.340
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
90!
720
90
360
10*9
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Marque a alternativa que contém a forma correta de calcular n!.
n! = n + (n – 1) + (n – 2) + ... + 3 + 2 + 1.
n! = n ⋅ (n – 1) ⋅ (n – 2) ⋅ ... ⋅ 3 ⋅ 2 ⋅ 1.
n! = n – (n – 1) – (n – 2) – ... – 3 – 2 – 1.
n! = n + (n – 1) – (n – 2) + ... – 3 + 2 – 1.
n! = n ⋅ (n – 1) ⋅ (n – 2) ⋅ ... ⋅ 3 ⋅ 2 ⋅ 1 ⋅ 0.
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Um supermercado possui 8 funcionários trabalhando no caixa ao mesmo tempo, antes de iniciar o intervalo. O intervalo dos funcionários é de 15 minutos para cada um deles, e eles tiram o intervalo um por vez, de modo que 7 caixas sempre fiquem funcionando. Quem determina a ordem desse intervalo é o gerente. O número de maneiras distintas que o gerente pode definir o intervalo desses funcionários é calculado por:
8!
7!
8!-7!
8! - 7! - 15
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