Matemática 8º prova 3
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
FERNANDO LUIZ PEROTTI
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um produto custa R$ 200,00 e está com um desconto de 15%. Qual é o preço final do produto após o desconto?
R$ 170,00
R$ 180,00
R$ 185,00
R$ 190,00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 30% de uma turma de 40 alunos são meninas, quantas meninas há na turma?
10
12
15
18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um gráfico de pizza mostra que 25% dos votos foram para o candidato A. Se o total de votos é 800, quantos votos o candidato A recebeu?
150
200
250
300
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma pesquisa, 60% dos entrevistados preferem café a chá. Se 300 pessoas foram entrevistadas, quantas preferem café?
120
150
180
200
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um investidor obteve um lucro de 20% sobre um investimento de R$ 500,00. Qual foi o valor do lucro?
R$ 80,00
R$ 90,00
R$ 100,00
R$ 110,00
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o preço de um produto aumenta de R$ 150,00 para R$ 180,00, qual é a porcentagem de aumento?
15%
20%
25%
30%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um gráfico de barras mostra que 40% dos alunos preferem matemática, 30% preferem ciências e o restante prefere história. Qual porcentagem dos alunos prefere história?
20%
25%
30%
35%
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