
Desafios de Razão e Proporção
Quiz
•
Mathematics
•
7th Grade
•
Hard
Marcio Eloi
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Se 3 maçãs custam R$ 6,00, quanto custam 5 maçãs?
R$ 15,00
R$ 10,00
R$ 12,00
R$ 8,00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. A razão entre o número de meninos e meninas em uma sala é de 2:3. Se há 12 meninos, quantas meninas há?
10
18
15
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Calcule a razão entre 15 e 25.
0,6
0,4
0,8
1,5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Se 4 laranjas custam R$ 8,00, qual é o preço de 10 laranjas?
R$ 12,00
R$ 25,00
R$ 15,00
R$ 20,00
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. A razão entre a altura de dois edifícios é de 5:7. Se o edifício menor tem 20 metros, qual é a altura do edifício maior?
28 metros
35 metros
30 metros
25 metros
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Se a proporção de alunos para professores em uma escola é de 15:1 e há 30 alunos, quantos professores há?
3
4
2
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Compare as razões 8:12 e 2:3. Elas são equivalentes?
The ratios cannot be compared.
They are equivalent only in certain cases.
No, they are not equivalent.
Yes, they are equivalent.
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