
Problemas de Matemática
Authored by FERNANDA BARROS
Mathematics
12th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dois dados são lançados simultaneamente, qual é a probabilidade de a soma dos números obtidos ser igual a 7?
1/6
1/12
1/36
1/9
2.
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 após o desconto?
R$ 170,00
R$ 180,00
R$ 190,00
R$ 160,00
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a área de um triângulo cuja base mede 10 cm e a altura 6 cm.
30 cm²
60 cm²
20 cm²
40 cm²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma urna contém 5 bolas vermelhas, 3 bolas azuis e 2 bolas verdes. Qual é a probabilidade de se retirar uma bola verde?
1/5
1/2
1/10
1/3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o volume de um cilindro com raio da base de 4 cm e altura de 10 cm.
160π cm³
80π cm³
120π cm³
40π cm³
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um baralho padrão de 52 cartas, qual é a probabilidade de se retirar uma carta de copas?
1/4
1/13
1/2
1/52
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um funcionário recebe um aumento de 10% em seu salário, que era de R$ 2.500,00. Qual será o novo salário?
R$ 2.750,00
R$ 2.600,00
R$ 2.700,00
R$ 2.800,00
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