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Questions and Answers
1.
Qual è il risultato di questa espressione (6+3)-3(6:2)?
A.
6
B.
0
C.
5
D.
18
Correct Answer B. 0
Explanation The given expression (6+3)-3(6:2) can be simplified using the order of operations, which states that multiplication and division should be performed before addition and subtraction. First, we calculate 6:2, which is equal to 3. Then, we multiply 3 by 3, giving us 9. Finally, we subtract 9 from 6+3, resulting in 0. Therefore, the correct answer is 0.
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2.
Quanti lati ha un dodecagono?
A.
12
B.
20
C.
6
D.
8
Correct Answer A. 12
Explanation A dodecagon is a polygon with twelve sides. Therefore, the correct answer is 12.
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3.
Come si chiama il solido rappresentato in figura?
A.
Piramide
B.
Cono
C.
Tetraedro
D.
Cilindro
Correct Answer C. Tetraedro
Explanation The correct answer is "Tetraedro." A tetraedro is a solid shape that has four triangular faces, six edges, and four vertices. It is represented in the figure as a three-dimensional shape with four triangular faces meeting at a single point.
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4.
Nel seguente gruppo di termini c'è un intruso, quale?
A.
Coltello
B.
Cigno
C.
Pensiero
D.
Bello
Correct Answer D. Bello
Explanation In this group of terms, "Bello" is the odd one out because it is the only term that does not belong to the category of objects or things. "Coltello" is a knife, "Cigno" is a swan, and "Pensiero" means thought or thinking. However, "Bello" means beautiful or nice, which does not fit with the theme of objects or things.
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5.
Quanti compleanni ha un uomo medio?
A.
Da 20 a 45
B.
65
C.
1
D.
Da 45 a 65
Correct Answer C. 1
Explanation The answer "1" suggests that an average man has only one birthday. This implies that the question is asking for the number of birthdays a man has in his lifetime, rather than the specific age range or number of years. Since everyone has only one birthday each year, regardless of age, the correct answer is 1.
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6.
Il dottore ti da 3 pillole e ti dice di prenderne una ogni mezzora. Quanti minuti ti durano le pillole?
A.
90
B.
60
C.
15
D.
45
Correct Answer B. 60
Explanation The correct answer is 60. If the doctor gives you 3 pills and tells you to take one every half hour, it means that each pill will last for 30 minutes. Since there are 3 pills, the total duration of the pills will be 30 minutes multiplied by 3, which equals 60 minutes.
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7.
La balena è un pesce
A.
Vero
B.
Falso
Correct Answer B. Falso
Explanation The statement "La balena è un pesce" is false. A whale is not a fish, but a mammal. Whales are warm-blooded, have lungs, give birth to live young, and nurse their young with milk, which are characteristics of mammals. Fish, on the other hand, are cold-blooded, have gills, lay eggs, and do not nurse their young. Therefore, the correct answer is "Falso" (False).
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8.
1, 3, 5, 7, 8, 9, 11 - Quale numero non fa parte della serie?
A.
8
B.
1
C.
11
D.
7
Correct Answer A. 8
Explanation The series consists of odd numbers in ascending order, except for the number 8 which is an even number. Therefore, 8 does not belong to the series.
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9.
Come si chiama questa figura?
Correct Answer ellisse
Explanation The figure in question is called an "ellisse" in Italian, which translates to "ellipse" in English. An ellipse is a closed curve that is symmetric about its center. It is characterized by its two foci, which are two fixed points inside the ellipse. The sum of the distances from any point on the ellipse to the two foci remains constant.
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