
2º ano Arranjos
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os quatro finalistas de um torneio mundial de basquete são disputados por quatro equipes: Brasil, Cuba, Rússia e EUA. De quantas maneiras distintas podemos ter os três primeiros lugares?
6 maneiras.
12 maneiras.
24 maneiras.
30 maneiras.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma família de 12 pessoas decide aproveitar as férias de fim de ano fazendo uma viagem em grupo. Eles planejam sair do Rio de Janeiro (RJ) para Fortaleza (CE) de ônibus. No momento da compra das passagens, havia 15 assentos vazios no ônibus. De quantas maneiras distintas essa família pode ser organizada nos 15 assentos restantes no ônibus?
(15!)/(3! * 12!)
(15!)/(3!)
12!
15!
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas palavras podem ser formadas ao arranjar 8 letras, tomadas 4 de cada vez?
32
840
1,680
6,720
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a disposição de 8 letras, tomadas 4 de cada vez, representada como?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas senhas diferentes de 4 dígitos Ângela pode formar usando dígitos distintos de 1 a 9?
362.880
15.120
3.024
120
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o fatorial de 8?
40.320
5.040
720
1.680
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o fatorial de 5 usado no cálculo do número de diferentes senhas?
120
24
60
720
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