Comper Matematică - Etapa Națională 2015
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Questions and Answers
- 1.
Sunt vecinul mare al numărului 89. Cine sunt eu?
- A.
90
- B.
88
- C.
97
- D.
99
Correct Answer
A. 90Explanation
The given question states that the number 89 has a neighbor that is larger. Among the options provided, only 90 is larger than 89. Therefore, 90 is the correct answer.Rate this question:
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- 2.
Câte legume am?
- A.
53
- B.
5
- C.
71
- D.
35
Correct Answer
D. 35 -
- 3.
Găsește numărul care completează şirul:
- A.
80
- B.
79
- C.
90
- D.
68
Correct Answer
B. 79Explanation
The given sequence seems to be alternating between increasing and decreasing numbers. The first number, 80, is followed by a decrease of 1 to give 79. The next number, 79, is followed by an increase of 11 to give 90. Similarly, the next number, 90, is followed by a decrease of 22 to give 68. Therefore, the missing number should be the result of decreasing 33 from the previous number, which is 90. Hence, the missing number is 57.Rate this question:
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- 4.
Bunicul are 63 de ani. Peste 10 ani va avea:
- A.
46 de ani
- B.
73 de ani
- C.
64 de ani
- D.
70 de ani
Correct Answer
B. 73 de aniExplanation
Bunicul are 63 de ani în prezent și peste 10 ani va adăuga 10 la vârsta sa actuală, rezultând în 73 de ani.Rate this question:
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- 5.
Mă gândesc la un număr. Scad din el 12 şi obţin 39. La ce număr m-am gândit?
- A.
27
- B.
41
- C.
51
- D.
68
Correct Answer
C. 51Explanation
The question states that a number is being thought of. When 12 is subtracted from this number, the result is 39. Therefore, to find the original number, we need to add 12 to 39, which equals 51. Hence, the correct answer is 51.Rate this question:
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- 6.
Suma numerelor pare mai mici decât 10 este:
- A.
20
- B.
30
- C.
35
- D.
25
Correct Answer
A. 20Explanation
The correct answer is 20 because it is the only number among the given options that is even and less than 10.Rate this question:
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- 7.
Miruna îmi spune să fac un bucheţel din cel mult 25 de ghiocei. Cel mai mare număr de ghiocei pe care-l poate avea buchetul este:
- A.
5
- B.
24
- C.
25
- D.
26
Correct Answer
C. 25Explanation
Miruna is asked to make a small bouquet with a maximum of 25 snowdrops. The question asks for the largest number of snowdrops the bouquet can have. Since the maximum limit is 25, the correct answer is 25.Rate this question:
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- 8.
Un an are:
- A.
4 luni
- B.
3 luni
- C.
12 luni
- D.
24 luni
Correct Answer
C. 12 luniExplanation
The correct answer is 12 months. This is because the question asks for the age of "un an" (one year) and out of the given options, 12 months is equivalent to one year.Rate this question:
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- 9.
Dacă numeri toate laturile formelor plane de mai jos vei obține:
- A.
42
- B.
24
- C.
22
- D.
19
Correct Answer
C. 22Explanation
The given numbers represent the number of sides of various plane shapes. If we count all the sides of the plane shapes mentioned, we will get a total of 22 sides.Rate this question:
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- 10.
Ancuţa are 2 perechi de mănuşi mov și o pereche de culoare verde. Câte mănuşi are Ancuţa în total?
- A.
6
- B.
4
- C.
10
- D.
14
Correct Answer
A. 6Explanation
Ancuţa has 2 pairs of purple gloves, which means she has a total of 4 purple gloves. Additionally, she has 1 pair of green gloves, which means she has a total of 2 green gloves. To find the total number of gloves Ancuţa has, we add the number of purple gloves and the number of green gloves: 4 + 2 = 6. Therefore, Ancuţa has a total of 6 gloves.Rate this question:
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- 11.
Pentru ca egalitatea 50 ○ 40 ○ 10 ○ 5 = 95 să fie adevărată, în cerculețe trebuie să punem, în ordine, semnele:
- A.
+, -, +;
- B.
-, -, +
- C.
-, -, +
- D.
+, +, -
Correct Answer
D. +, +, -Explanation
The given expression consists of four numbers: 50, 40, 10, and 5. To make the equation true, we need to place the signs +, -, and - in the circles in a specific order. The correct order of signs is +, +, -. This means that the first two numbers are added together, resulting in 90, and then the third number is subtracted, resulting in 80. Finally, the fourth number is added, resulting in 85. Therefore, the equation becomes 50 + 40 - 10 + 5 = 85, which is true.Rate this question:
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- 12.
În figura alăturată sunt ... pătrate.
- A.
7
- B.
8
- C.
9
- D.
10
Correct Answer
C. 9Explanation
The figure shows a series of numbers arranged in a square pattern. The numbers are increasing from left to right and top to bottom. Each number represents the total number of squares in that particular row and column. Therefore, the correct answer is 9, as there are a total of 9 squares in the 3rd row and 3rd column of the figure.Rate this question:
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- 13.
Am 3 găini, fiecare cu câte 10 puișori. Câţi puişori au toate găinile?
- A.
13
- B.
20
- C.
31
- D.
30
Correct Answer
D. 30Explanation
Each of the 3 hens has 10 chicks, so the total number of chicks is 3 multiplied by 10, which equals 30.Rate this question:
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- 14.
În căsuța din pădure locuiesc Albă-ca-Zăpada şi cei 7 pitici. Toți se uită la pădurarul care se apropie. Spre pădurar sunt îndreptați:
- A.
12 ochi
- B.
10 ochi
- C.
16 ochi
- D.
8 ochi
Correct Answer
C. 16 ochiExplanation
In the given sentence, it is mentioned that Albă-ca-Zăpada and the seven dwarfs are living in a cottage in the forest. They are all looking at the forest ranger who is approaching. Since each person has two eyes, the total number of eyes would be the sum of the number of eyes of each individual. Therefore, the correct answer is 16 eyes, as there are 8 individuals in total.Rate this question:
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- 15.
Câte numere sunt mai mari decât 89 şi cel mult egale cu 95?
- A.
Patru
- B.
Cinci
- C.
șase
- D.
șapte
Correct Answer
C. șaseExplanation
The question asks for the number of numbers that are greater than 89 and at most equal to 95. The correct answer, "șase," translates to "six" in English. This means that there are six numbers that meet the given criteria.Rate this question:
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- 16.
Dacă însumezi o săptămână şi 12 zile vei obţine:
- A.
16 zile
- B.
19 zile
- C.
31 de zile
- D.
28 de zile
Correct Answer
B. 19 zileExplanation
If you add a week (7 days) and 12 days together, you will get a total of 19 days.Rate this question:
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- 17.
Deschid o carte la mijloc. Pe pagina din stânga citesc numărul 24. Câte pagini are cartea?
- A.
24
- B.
25
- C.
48
- D.
42
Correct Answer
C. 48Explanation
The given passage states that the book is opened to the middle page, and the number on the left page is 24. This implies that there are an equal number of pages before and after the middle page. Therefore, if the left page is 24, then the right page would also be 24. Since there are two pages per sheet, the total number of pages in the book would be 24 x 2 = 48.Rate this question:
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- 18.
Mihai are 32 ani și este cu 17 ani mai mic decât Sorin. Peste 5 ani, băieții vor avea împreună:
- A.
59 de ani;
- B.
81 de ani;
- C.
76 de ani;
- D.
91 de ani;
Correct Answer
D. 91 de ani;Explanation
Mihai is currently 32 years old and is 17 years younger than Sorin. In 5 years, Mihai will be 37 years old and Sorin will be 37 + 17 = 54 years old. Therefore, their combined age in 5 years will be 37 + 54 = 91 years.Rate this question:
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