Quiz about Matemática: Decimais, Porcentagens e Frações

Question 1

Adicione os decimais: $$3.45 + 2.67$$

Accepted Answer

$$6.12$$

Answer

$$5.12$$

Answer

$$6.22$$

Answer

$$5.22$$

Question 2

Subtraia os decimais: $$7.89 - 3.56$$

Accepted Answer

$$4.33$$

Answer

$$3.33$$

Answer

$$4.43$$

Answer

$$3.43$$

Question 3

Calcule $$25\%$$ de $$200$$ .

Accepted Answer

$$50$$

Answer

$$25$$

Answer

$$75$$

Answer

$$100$$

Question 4

Calcule $$10\%$$ de $$150$$ .

Accepted Answer

$$15$$

Answer

$$10$$

Answer

$$20$$

Answer

$$25$$

Question 5

Adicione os decimais: $$1.23 + 4.56$$

Accepted Answer

$$5.79$$

Answer

$$5.69$$

Answer

$$5.89$$

Answer

$$5.99$$

Question 6

Subtraia os decimais: $$9.87 - 6.54$$

Accepted Answer

$$3.33$$

Answer

$$3.43$$

Answer

$$3.53$$

Answer

$$3.63$$

Question 7

Calcule $$50\%$$ de $$80$$ .

Accepted Answer

$$40$$

Answer

$$30$$

Answer

$$35$$

Answer

$$45$$

Question 8

Calcule $$75\%$$ de $$120$$ .

Accepted Answer

$$90$$

Answer

$$80$$

Answer

$$85$$

Answer

$$95$$

Create a free account and access millions of resources