
Desafios de Matemática
Authored by TALITA QUESSADA
Mathematics
9th Grade
Used 9+ times

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10 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a probabilidade de se obter um número par ao lançar um dado de seis faces?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um investidor aplica R$ 1.000,00 em um fundo que rende 8% ao ano. Qual será o valor total após um ano?
R$ 1.080,00
R$ 1.100,00
R$ 1.180,00
R$ 1.200,00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a média dos seguintes números: 4, 8, 10, 12, 6?
8
9
10
11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a probabilidade de se obter uma cara ao lançar uma moeda justa?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um produto teve um aumento de 25% e agora custa R$ 250,00. Qual era o preço original do produto?
R$ 180,00
R$ 190,00
R$ 200,00
R$ 220,00
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a mediana dos seguintes números: 3, 7, 9, 15, 21?
7
9
12
15
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