
Prova oitavo ano Regra de três
Mathematics
8th Grade
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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
A comida que restou para 3 náufragos seria suficiente para alimentá-los por 12 dias. Um deles resolveu saltar e tentar chegar em terra nadando. Com um náufrago a menos, qual será a duração dos alimentos?
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Com a velocidade de 75 Km/h, um ônibus faz um trajeto em 40 min. Devido a um congestionamento, esse ônibus fez o percurso de volta em 50 min. Qual a velocidade média desse ônibus?
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Uma certa quantidade de suco foi colocado em latas de 2 litros cada uma, obtendo-se assim 60 latas. Se fossem usadas latas de 3 litros, quantas latas seriam necessárias para colocar a mesma quantidade de suco?
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Um automóvel percorre um espaço de 480 Km em 2 horas. Quantos km ele percorrerá em 06 horas?
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
12 operários fazem um determinado trabalho em 24 dias. Se fossem 6 operários a mais, em quanto tempo o trabalho ficaria pronto?
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