Um trabalho de Matemática tem 30 questões de Aritmética e 50 de Geometria. Júlia acertou 70% das questões de Aritmética e 80% do total de questões. Qual o percentual das questões de Geometria que ela acertou?
Quiz de Matemática

Quiz
•
Other
•
6th Grade
•
Hard
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
90%
85%
80%
75%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numa mistura de 80 kg de areia e cimento, 20% é cimento. Se acrescentarmos mais 20 kg de cimento, qual será a sua porcentagem na nova mistura?
30%
25%
35%
40%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma população de 250 ratos, temos que 16% são brancos. Qual é o número de ratos brancos desta população?
40
35
30
25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma loja lança uma promoção de 10% no preço dos seus produtos. Se uma mercadoria custa R$120,00, quanto à mercadoria passará a custar?
R$108,00
R$110,00
R$112,00
R$115,00
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule 15% de 300.
30
35
40
45
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