
Proporções e Porcentagens na Prática
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
BIQUEILA MEDEIROS
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
15 maçãs
20 maçãs
25 maçãs
30 maçãs
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Um produto custa R$200 e está com um desconto de 15%. Qual é o preço final do produto?
R$170
R$180
R$185
R$190
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Se 5 trabalhadores podem completar uma tarefa em 8 dias, quantos dias levarão 10 trabalhadores para completar a mesma tarefa, assumindo que a quantidade de trabalho é inversamente proporcional ao número de trabalhadores?
2 dias
4 dias
6 dias
8 dias
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcule 25% de 80.
15
20
25
30
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
20
25
30
35
6.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Um carro percorre 300 km com 20 litros de combustível. Quantos litros de combustível são necessários para percorrer 450 km?
25 litros
30 litros
35 litros
40 litros
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Se a quantidade de açúcar em um bolo é inversamente proporcional ao número de bolos feitos, e 2 kg de açúcar são usados para fazer 4 bolos, quanto açúcar é necessário para fazer 8 bolos?
0.5 kg
1 kg
1.5 kg
2 kg
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