Test(2-variant) ning qiymatini toping?

TEST(2-variant)

1. ning qiymatini toping?

A) 106 B) 1 C) 54 D) 84 E)0
2. 35 ta natural sonni ketma−ket yozish natijasida hosil bo`lgan 123…3435 sonni 25 ga bo`lish natijasida hosil bo`lgan qoldiq nechaga teng ?
A) 15 B) 20 C) 5 D) 10 E) 0
3. 72 va 96 sonlari eng kichik umumiy karralisining eng katta umumiy bo’luvchisiga nisbatini toping?
A) 10 B) 0,1 C) 9 D) 12 E)
4. ni hisoblang?

5. ni hisoblang?

6. 3,4(3) ni oddiy kasr ko`rinishida yozing?

7. tenglamani yeching?
A) 4,5 B) 8 C) 17 D) 11 E) 14
8. Agar bo`lsa, ning qiymatini toping?
A) 11 B) −9 C) −25 D) 25 E) 18
9. tengsizliklar sistemasi nechta butun yechimga ega ?
A) 4 B) 5 C) 3 D) 8 E) 2
10. Ishchining maoshi dastlab 25% ga, so`ngra yana 25% ga oshirilgan bo`lsa, uning maoshi necha protsentga oshgan?
A) 50 B) 55 C) 55,25 D) 56 E) 56,25
11. Xaritada ikki shahar orasidagi masofa 4,5 sm ga teng. Xaritadagi masshtab 1:2000 000 bo`lsa, shaharlar orasidagi haqiqiy masofa necha km bo`ladi?
A) 0,9 B) 9 C) 90 D) 900 E) 9000
12. Ikkita natural son kvadratlarining o`rta arifmetigi 10 ga, o`rta geometrigi esa 8 ga teng. Shu sonlarning yig`indisini toping?
A) 4 B) 12 C) 9 D) 6 E) 7
13. Agar a va b sonlari kavadrat tenglamaning ildizlari bo`lsa, ni hisoblang?

14. ko`phadni ko`paytuvchilarga ajrating?

15. ni hisoblang?
A) 4 B) 2 C) 5 D) 16 E)
16. ni hisoblang?
A) 4− B) 4+ C) 3+
D) 3 E) 4−
17. x²–3|x|–40=0 tenglamaning ildizlari ko`paytmasini toping?
A) –40 B) 40 C) –32 D) –64 E) –56
18. tengsizlikni yeching?
A)(1;∞) B)(1;∞) C)(–∞;1) D)(–∞;1] E)Ø
19. Agar a₁, a₂, …, a_n sonlar arifmetik progressiya tashkil qilsa, yig`indini toping?
A) a₁ B) a₁a_n+1 C) D) E)
20. Agar f(x+1)=x²–3x+2 bo`lsa, f(x) ni toping?
A) x²–3x–1 B) x²–5x+2 C) x²–5x+6
D) x²–4 E) 4–x²
21. ni hisoblang?
A) 10 B) C) 1 D) 12 E) 14
22.Agar bo`lsa, f (–1) ni toping?
A) 0 B) 6 C) –6 D) –3 E) 18
23. tenglamani ildizi 1 dan qancha kam?
A) 1,75 B) 0,75 C) 1,5 D) 2,1 E) 1,25

24. tenglamaning ildizlari yig`indisini toping?

A) 8 B) 10 C) 12 D) 6 E) 14
25. 3tg0⁰+2cos90⁰+3sin270⁰–3cos180⁰ ni hisoblang?
A) 6 B) 0 C) –6 D) 9 E) –9
26. tenglamani yeching?

27. Qo`shni burchaklardan biri ikkinchisidan 20<sup>0</sup> katta. Shu qo`shni burchaklarni toping?
A) 160⁰;20⁰ B) 28⁰;152⁰ C) 20⁰;160⁰ D) 140⁰;40⁰ E) 80⁰;100⁰
28. To`g`ri burchakli uchburchakning gipotenuzasi 8 ga, katetlaridan biri 4 ga teng. Ikkinchi katetning gipotenuzadagi proyeksiyasini toping?
A) 4 B) 3 C) 5 D) 7 E) 6
29. Parallelogrammning tomonlaridan biri ikkinchisidan 4 marta katta. Agar uning perimetri ga, o`tkir burchagi 45<sup>0</sup> ga teng bo`lsa, yuzini toping?
A) B) C) 16 D) 8 E)
30.Har bir tashqi burchagi 24⁰ ga teng bo`lgan muntazam ko`pburchakning nechta tomoni bor?
A) 24 B) 18 C) 15 D) 12 E) 10