
Contagem, Permutações e Probabilidade
Mathematics
8th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o princípio fundamental da contagem?
Multiplicação
Subtração
Divisão
Adição
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas maneiras diferentes podemos arranjar as letras A, B, C?
6
12
3
9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se temos 5 bolas numeradas de 1 a 5, qual é a probabilidade de escolhermos a bola com o número 3?
1/5
1/2
1/4
1/3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos anagramas podemos formar com a palavra 'MATEMÁTICA'?
151200
720
5040
362880
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se temos 3 camisas e 4 calças, de quantas maneiras podemos escolher um conjunto de uma camisa e uma calça?
12
15
7
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular o número de permutações de n elementos?
n!
n^2
n^n
2n
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se lançarmos um dado justo, qual é a probabilidade de sair um número par?
1/2
1/4
1/5
1/3
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