Problema Zilei 2

Întrebarea 1: Calculează $9\cdot 4 – 6$ .

A)

24

Correct Incorrect Correct answer

B)

30

Correct Incorrect Correct answer

C)

32

Correct Incorrect Correct answer

D)

42

Correct Incorrect Correct answer

Întrebarea 2: Simplifică fracția $\frac{45}{60}$ la forma ireductibilă.

A)

\frac{3}{4}

Correct Incorrect Correct answer

B)

\frac{4}{5}

Correct Incorrect Correct answer

C)

\frac{9}{12}

Correct Incorrect Correct answer

D)

\frac{15}{20}

Correct Incorrect Correct answer

Întrebarea 3: Calculează $25\%$ din $80$ .

A)

18

Correct Incorrect Correct answer

B)

20

Correct Incorrect Correct answer

C)

25

Correct Incorrect Correct answer

D)

32

Correct Incorrect Correct answer

Întrebarea 4: Determină $\gcd(36,48)$ (cel mai mare divizor comun).

A)

6

Correct Incorrect Correct answer

B)

8

Correct Incorrect Correct answer

C)

12

Correct Incorrect Correct answer

D)

24

Correct Incorrect Correct answer

Întrebarea 5: Rezolvă ecuația $3x+4=22$ . Valoarea lui $x$ este:

A)

5

Correct Incorrect Correct answer

B)

6

Correct Incorrect Correct answer

C)

7

Correct Incorrect Correct answer

D)

8

Correct Incorrect Correct answer

Întrebarea 6: Aria unui dreptunghi cu laturile $7\,\mathrm{cm}$ și $9\,\mathrm{cm}$ este:

A)

16\,\mathrm{cm}^2

Correct Incorrect Correct answer

B)

32\,\mathrm{cm}^2

Correct Incorrect Correct answer

C)

63\,\mathrm{cm}^2

Correct Incorrect Correct answer

D)

72\,\mathrm{cm}^2

Correct Incorrect Correct answer

Întrebarea 7: Într-un triunghi dreptunghic cu catetele $5$ și $12$ , ipotenuza este:

A)

10

Correct Incorrect Correct answer

B)

11

Correct Incorrect Correct answer

C)

12

Correct Incorrect Correct answer

D)

13

Correct Incorrect Correct answer

Întrebarea 8: Evaluează $(-2)^3 + 4^2$ .

A)

-24

Correct Incorrect Correct answer

B)

8

Correct Incorrect Correct answer

C)

24

Correct Incorrect Correct answer

D)

-8

Correct Incorrect Correct answer

Întrebarea 9: Dacă $3$ caiete costă $24$ lei, cât costă $5$ caiete (preț unitar constant)?

A)

30

Correct Incorrect Correct answer

B)

38

Correct Incorrect Correct answer

C)

40

Correct Incorrect Correct answer

D)

45

Correct Incorrect Correct answer

Întrebarea 10: Fie funcția $f(x)=2x-3$ . Calculează $f(-4)$ .

A)

-5

Correct Incorrect Correct answer

B)

-11

Correct Incorrect Correct answer

C)

5

Correct Incorrect Correct answer

D)

11

Correct Incorrect Correct answer

Problema Zilei 2

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