
Simulado 8º Ano - 3
Mathematics
8th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere a sequência de quadros ao lado. Quantos quadrados a n-ésima posição terá?
n+2 quadrados
2.n quadrados
n+1 quadrados
2.n-1 quadrados
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere a sequência de estrelas ao lado. Quantas estrelas a n-ésima posição terá?
2.n+1
3.m+1
3.n-1
2.n-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um veículo com velocidade média de 50 km/h gastou 4 horas para fazer este percurso. Caso ele dobrasse a velocidade, qual seria o tempo gasto?
2h
2h e 30min
2h e 15min
2h e 30min
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe a tabela ao lado. Qual é o valor de a para que as grandezas x e y sejam diretamente proporcionais?
80
60
30
40
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para fazer um determinado serviço, 2 pedreiros levam 20 dias. Em quanto tempo 8 engenheiros fazem o mesmo serviço?
80 dias
40 dias
5 dias
15 dias
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um helicóptero pode percorrer 100 km em 30 minutos. Mantendo essa velocidade, quantos quilômetros ele percorrerá em 2 horas?
400 km
500 km
600 km
300 km
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a medida do maior lado de um retângulo cujo perímetro mede 60 cm e sabendo que o menor lado mede 10 cm?
30 cm
15 cm
25 cm
20 cm
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