
Regra de Três: Desafios e Soluções
Authored by Mirian Scartezini
Mathematics
7th Grade
Used 1+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma fábrica, 5 máquinas produzem 200 peças. Quantas peças 8 máquinas produzirão no mesmo período de tempo?
250
320
400
500
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 3 trabalhadores constroem um muro em 12 dias, quantos dias levarão 6 trabalhadores para construir o mesmo muro, assumindo que todos trabalham na mesma taxa?
6
8
10
12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um carro percorre 150 km com 10 litros de combustível. Quantos litros de combustível serão necessários para percorrer 300 km?
15
20
25
30
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 4 pessoas podem pintar uma casa em 10 dias, quantas pessoas são necessárias para pintar a mesma casa em 5 dias?
2
4
6
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma receita requer 3 xícaras de farinha para fazer 24 biscoitos. Quantas xícaras de farinha são necessárias para fazer 72 biscoitos?
6
8
9
12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 8 metros de tecido custam R$ 120,00, qual é o custo de 5 metros do mesmo tecido?
R$ 60,00
R$ 75,00
R$ 80,00
R$ 90,00
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um trem viaja 180 km em 2 horas. Qual é a distância que ele percorrerá em 5 horas à mesma velocidade?
360 km
400 km
450 km
500 km
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