
Desafios Matemáticos para o 8º Ano
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Used 4+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma loja, um produto que custava R$ 200,00 está com 25% de desconto. Qual é o valor do desconto?
R$ 30,00
R$ 50,00
R$ 40,00
R$ 25,00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um gráfico mostra que 60 alunos preferem futebol, 30 preferem vôlei e 10 preferem basquete, qual é a porcentagem de alunos que preferem vôlei?
20%
25%
30%
15%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a média dos seguintes números: 8, 12, 15, 10.
11,25
12,5
10,5
13,75
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um gráfico de barras mostra que uma loja vendeu 40 camisetas em janeiro, 60 em fevereiro e 80 em março. Qual é a média mensal de vendas?
60
70
50
80
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um produto teve um aumento de 20% em seu preço original de R$ 150,00, qual é o novo preço?
R$ 170,00
R$ 180,00
R$ 175,00
R$ 160,00
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma pesquisa, 40% dos entrevistados disseram gostar de matemática. Se 200 pessoas foram entrevistadas, quantas disseram gostar de matemática?
60
80
100
120
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a média dos valores: 5, 7, 9, 11, 13.
9
10
8
11
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