Contagem e Permutações - Prof. Jorge Aula do dia 27/05 - 2º Ano.
Quiz
•
Mathematics
•
11th Grade
•
Easy
JORGE PAIVA
Used 1+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas combinações diferentes de 3 letras podem ser formadas a partir das letras A, B, C, D e E, sem repetição de letras?
10
60
20
30
Answer explanation
There are 5 choices for the first letter, 4 for the second, and 3 for the third. Multiplying these gives 5*4*3 = 60 different combinations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
David tem 4 camisas e 3 calças. De quantas maneiras diferentes ele pode escolher uma camisa e uma calça?
7
12
10
15
Answer explanation
Insert your answer explanation here.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas permutações diferentes podem ser feitas com as letras da palavra "MATH"?
12
16
24
20
Answer explanation
Há 4 letras na palavra 'MATH', então o número de permutações possíveis é 4! = 4x3x2x1 = 24.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Grace has 5 different books. In how many different ways can she arrange them on a shelf?
60
100
120
80
Answer explanation
Existem 5! = 5x4x3x2x1 = 120 maneiras diferentes de organizar 5 livros em uma prateleira.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se você tem 5 tipos de sorvete e 3 tipos de cobertura, de quantas maneiras diferentes você pode escolher um sorvete e uma cobertura?
8
12
15
18
Answer explanation
There are 5 choices for ice cream and 3 choices for toppings, so the total number of ways to choose is 5 * 3 = 15.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas permutações diferentes podem ser feitas com as letras do nome "BANANA" que Benjamin escreveu?
360
120
720
60
Answer explanation
Existem 6 letras na palavra 'BANANA', com 3 letras 'A'. Portanto, o número de permutações diferentes é 6!/3! = 360.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas maneiras diferentes existem para organizar James, Noah, Abigail e Emma em uma fila?
16
24
32
40
Answer explanation
There are 4! = 4 x 3 x 2 x 1 = 24 ways to arrange 4 people in a line, making the correct answer choice 24.
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