
Desvendando Porcentagens no 7º Ano
Mathematics
7th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma loja, uma camiseta custa R$ 80,00. Se ela está com 25% de desconto, qual será o preço final da camiseta?
R$ 60,00
R$ 70,00
R$ 65,00
R$ 75,00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
João acertou 18 questões de um total de 24 em uma prova. Qual a porcentagem de acertos de João?
60%
75%
80%
90%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma escola tem 400 alunos. Se 30% deles são meninas, quantas meninas há na escola?
100
120
140
160
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20%
25%
30%
35%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um número é aumentado em 40% e passa a ser 70, qual era o valor inicial desse número?
40
45
50
60
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma sala com 32 alunos, 75% participaram de uma atividade. Quantos alunos participaram?
20
24
26
28
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um produto teve um aumento de 10% e passou a custar R$ 88,00. Qual era o preço antes do aumento?
R$ 78,00
R$ 80,00
R$ 82,00
R$ 85,00
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