Se 30% de uma turma de 40 alunos são meninas, quantas meninas há na turma?

Desvendando as Porcentagens

Quiz
•
Mathematics
•
9th Grade
•
Hard
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10
12
15
18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50%
60%
75%
80%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um produto custa R$ 200,00 e está com um desconto de 15%. Qual é o preço final do produto?
R$ 170,00
R$ 180,00
R$ 185,00
R$ 190,00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um gráfico mostra que 25% dos alunos preferem matemática, 35% preferem ciências e o restante prefere história, qual é a porcentagem de alunos que prefere história?
30%
35%
40%
45%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
25%
30%
35%
40%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um aumento de 20% em um salário de R$ 1.500,00 resulta em qual novo salário?
R$ 1.700,00
R$ 1.750,00
R$ 1.800,00
R$ 1.900,00
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
80%
85%
90%
95%
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