
Regra de Três e Porcentagens
Authored by ANA PEDRAO
Mathematics
8th Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um carro percorre 150 km em 3 horas. Quantos quilômetros ele percorrerá em 5 horas, mantendo a mesma velocidade?
200 km
250 km
300 km
350 km
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 40% de um número é 80, qual é o número?
180
200
220
240
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma receita de bolo requer 3 xícaras de farinha para 4 porções. Quantas xícaras de farinha são necessárias para 10 porções?
6 xícaras
7.5 xícaras
8 xícaras
9 xícaras
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um produto custa R$ 150,00 e está com um desconto de 20%, qual é o preço final do produto?
R$ 110,00
R$ 120,00
R$ 130,00
R$ 140,00
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma escola, a razão entre o número de meninos e meninas é de 3 para 4. Se há 120 meninas, quantos meninos há?
80
90
100
110
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