
Desvendando a Média Aritmética
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a média aritmética dos números 4, 8, 15, 16, 23 e 42.
18
18.5
19
19.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a média de cinco números é 12, qual é a soma desses números?
50
55
60
65
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A média das notas de Maria em quatro provas é 7. Se ela obteve 6, 8, 7 e x nas provas, qual é o valor de x?
6
7
8
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um aluno obteve as seguintes notas: 5, 7, 8 e 10. Qual é a média aritmética dessas notas?
7.5
7.75
8
8.25
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A média de três números é 20. Se dois dos números são 18 e 22, qual é o terceiro número?
18
20
22
24
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a média de 10, 20, 30 e x é 25, qual é o valor de x?
30
35
40
45
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A média das idades de um grupo de 5 pessoas é 30 anos. Se uma pessoa de 40 anos se junta ao grupo, qual será a nova média de idade?
31
32
33
34
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