
Proporções: Simples e Inversas
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 4 lápis custam R$ 12,00, quanto custarão 10 lápis, considerando o preço proporcional?
R$ 24,00
R$ 30,00
R$ 36,00
R$ 40,00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um carro percorre 180 km em 3 horas. Quantos quilômetros ele percorrerá em 5 horas, mantendo a mesma velocidade?
250 km
300 km
360 km
400 km
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 6 operários constroem um muro em 8 dias, em quantos dias 12 operários, trabalhando no mesmo ritmo, construirão o mesmo muro? (Regra de três inversa)
2 dias
4 dias
6 dias
8 dias
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma torneira enche um tanque em 5 horas. Se forem usadas 2 torneiras iguais, em quanto tempo o tanque será cheio?
2,5 horas
3 horas
4 horas
5 horas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 15 metros de tecido custam R$ 90,00, quanto custarão 8 metros do mesmo tecido?
R$ 36,00
R$ 42,00
R$ 48,00
R$ 54,00
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Três máquinas iguais produzem 600 peças em 4 horas. Quantas peças 5 máquinas iguais produzirão em 4 horas?
750 peças
900 peças
1.000 peças
1.200 peças
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 7 livros custam R$ 84,00, qual o valor de 3 livros?
R$ 30,00
R$ 32,00
R$ 36,00
R$ 40,00
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