
Proporções: Regra de 2 e 3
Mathematics
8th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um carro percorre 150 km em 2 horas. Quantos quilômetros ele percorrerá em 5 horas, mantendo a mesma velocidade?
300 km
375 km
400 km
450 km
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 3 maçãs custam R$ 6,00, quanto custarão 8 maçãs?
R$ 12,00
R$ 16,00
R$ 18,00
R$ 20,00
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma receita, 4 xícaras de farinha são necessárias para fazer 24 biscoitos. Quantas xícaras de farinha são necessárias para fazer 60 biscoitos?
8 xícaras
10 xícaras
12 xícaras
15 xícaras
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 5 trabalhadores constroem um muro em 10 dias, quantos dias levarão 8 trabalhadores para construir o mesmo muro, assumindo que todos trabalham na mesma taxa?
4 dias
6,25 dias
8 dias
12,5 dias
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um gráfico mostra que 2 kg de arroz custam R$ 10,00. Qual é o custo de 7 kg de arroz?
R$ 30,00
R$ 35,00
R$ 40,00
R$ 45,00
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 12 lápis custam R$ 18,00, qual é o custo de 20 lápis?
R$ 25,00
R$ 30,00
R$ 35,00
R$ 40,00
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma empresa produz 500 unidades de um produto em 4 dias. Quantas unidades serão produzidas em 10 dias?
1000 unidades
1250 unidades
1500 unidades
2000 unidades
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