
RAZÃO E PROPORÇÃO
Authored by CAMILA SILVA
Mathematics
9th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Em uma cidade a razão entre homens e mulheres é de 15:13.
Sabendo-se que a cidade tem 1000 homens a mais do que mulheres, podemos afirmar que o número de homens na cidade é de:
a) 5000
b) 2500
c) 7000
d) 7500
e) 5500
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A razão entre dois números é 4 para 5. Se a soma desses dois números é 72, quais são os números?
a) 28 e 44
b) 32 e 40
c) 36 e 45
d) 24 e 30
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um carro percorre 180 km com 15 litros de gasolina. Quantos quilômetros ele percorrerá com 25 litros?
a) 250 km
b) 200 km
c) 300 km
d) 225 km
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é a razão entre 45 minutos e 1 hora e 15 minutos?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se 5 operários constroem um muro em 12 dias, em quantos dias 10 operários, com o mesmo ritmo, farão o mesmo muro?
A) 24 dias
B) 6 dias
C) 10 dias
D) 8 dias
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Deseja-se dividir R$ 600,00 entre três pessoas em partes proporcionais a 2, 3 e 5. Qual será a parte da segunda pessoa?
A) R$ 180,00
B) R$ 150,00
C) R$ 200,00
D) R$ 120,00
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A sombra de um prédio mede 18 metros ao mesmo tempo em que a sombra de um poste de 6 metros mede 4 metros. Qual é a altura do prédio?
A) 24 m
B) 27 m
C) 30 m
D) 36 m
A) 24 m
B) 30 m
C) 36 m
D) 27 m
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