Matemática - 9 ano
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O administrador de um campo de futebol precisa comprar grama verde e amarela para cobrir o campo com faixas verdes e amarelas iguais em áreas e quantidades. O campo é um retângulo com 100 m de comprimento e 50 m de largura e, para cada 10 m2 de grama plantada, gasta-se 1 m2 a mais por causa da perda. Quantos m2 de grama verde o administrador deverá comprar para cobrir todo o campo?
2250
2500
2750
5000
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uma torneira desperdiça 125 mL de água durante 1 hora. Quantos litros de água desperdiçará em 24 horas?
1,5
3,0
15,0
30,0
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Uma prefeitura aplicou R$ 850 mil na construção de 3 creches e um parque infantil. O custo de cada creche foi de R$ 250 mil. A expressão que representa o custo do parque, em mil reais, é:
X+850=250
X-850=750
850= x+250
850=x+750
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O valor numérico da expressão (b+c) . h / 2
para b = 15, c = 10 e h = 6, é:
45
50
75
120
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Veja abaixo a oferta no preço de uma bolsa.
de : R$ 120,00
por: R$ 90,00
o desconto que essa bolsa teve foi de ?
90%
30%
27%
25%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Das 15 bolinhas de gude que tinha, Paulo deu 6 para o seu irmão.
Considerando-se o total de bolinhas, a fração que representa o número de bolinhas que o irmão de Paulo ganhou é:
6/15
9/15
15/9
15/6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pedro cercou um terreno quadrado de lado igual a 90 metros.
Quantos metros de muro Pedro construiu para cercar esse terreno?
90
180
360
810
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