Perguntas da avaliação: Razão e Proporção
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
SUELIN BENKOVICZ
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a razão entre os números 12 e 4.
2
3
4
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a densidade demográfica de uma cidade é de 500 habitantes por km² e a cidade tem uma área de 20 km², qual é a população total da cidade?
10.000
5.000
15.000
20.000
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um carro percorre 150 km em 3 horas. Qual é a velocidade média do carro?
45 km/h
50 km/h
55 km/h
60 km/h
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a razão entre 25 e 5?
4
5
6
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma receita, a proporção de açúcar para farinha é de 2:5. Se você usar 10 xícaras de farinha, quantas xícaras de açúcar são necessárias?
2
4
5
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a razão entre dois números é 7:3 e o primeiro número é 21, qual é o segundo número?
9
10
11
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma bicicleta percorre 60 km em 2 horas. Qual é a velocidade média da bicicleta?
25 km/h
30 km/h
35 km/h
40 km/h
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