1. 9,10,22 va 25 sonlari orasida nechta o’zaro tub sonlar jufti bor

9 Sinf test
1. 9,10,22 va 25 sonlari orasida nechta o’zaro tub sonlar jufti bor.
A)4 B)3 C)2 D)6 E)5
2. soddalashtiring.
A)a+4 B)4 C)-4/ (a+4) D)1/(a-4) E)4-a
3. ayirmaning qiymatini toping
A)-3 B)-6 C)-4 D)-5 E)4
4. p ning qanday qiymatlarida x²+ px+15=0 ning ildizlaridan biri 5 ga teng bo’ladi.
A)-4 B)4 C)-2 D)2 E)-8
5. k ning qanday qiymatlarida kx² -(k-7)x+9=0 tenglama ikkita teng ildizlarga ega bo’ladi.
A)49;1 B)1 C)-49;-1 D)49 E)-1
6. sistemadan x-y ni toping.
A)4 B)1 C)2 D)0.5 E)5
7. tengsizliklar sistemasi butun yechimlarining o’rta arifmetigini toping.
A)3 B)2.5 C)2 D)5 E)1.4
8. >0 tengsizlikni butun sonlardan iborat yechimlaridan nechtasi kesmada joylashgan.
A)2 B)3 C)4 D)5 E)6
9. tengsizlikni qanoatlantiruvchi butun sonlarning yig’indisini toping.
A)0 B)2 C)3 D)1 E)4
10. tenglama ildizlarining kvadratini toping.
A)24 B)22 C)-1 D)18 E)21
11. tengsizlikni yeching.
A) (3.25; ) B)(8/3;5) C)(3.25;5] D)(3.25;5) E)(8/3;)
12. Arifmetik progressiyada a₁₀=56 bo’lsa uning dastlabki 19ta xadlarini yig’indisini toping.
A)1024 B)1032 C)1056 D)1064 E)976
13. Cheksiz kamayuvchi geometrik progressiyaning yig’indisi 448ga teng. Progressiyaning mahrajini toping.
A)0.75 B)0.8 C)0.25 D)0.5 E)0.85
14. tengsizlikni butun yechimlari nechta.
A)5 B)7 C)8 D)6 E)1
15. Kumush va misdan iborat qotishmaning og’irligi 2kg. Kumushning og’irligi miss og’irligining qismini tashkil etadi. Qotishmadagi kumushning og’irligini toping.
A)310g B)300g C)270g D)250g E)320g
16. 140g suvga 60g tuz qo’shish natijasida xosil bo’lgan tuzli eritmada necha protsent tuz bor.
A)20 B)30 C)25 D)35 E)45
17. Ikki sonning yig’indisi 15ga, ularning o’rta arifmetigi shu sonlarning o’rta geometrigidan 25%ga katta. Shu sonlar kvadratlarining yig’indisini toping.
A)400 B)500 C)350 D)340 E)450
18.Agar kamayuvchining 16 ta va ayriluvchini 20ta orttirilsa, ayirma qanday o’zgaradi.
A)4ta kamayadi B)36ta ortadi C)36ta kamayadi
D)4ta ortadi E)26ta kamayadi
19. <1 tengsizlikning yechimlari orasida nechta butun son bor.
A)16 B)15 C)14 D)10 E)8
20. tenglamani yeching.
A)-3 B)2 C)1 D) E)-1/3
21.log₅125²=a va log₄4096²=b bo’lsa, a²+b² ning qiymatini toping.
A)160 B)150 C)140 D)104 E)180
22. Agar lg5=c bo’lsa lg250 nimaga teng.
A)2x+1 B)2x-1 C) D)3c+1 E)
23. 9^-х-28*3^-х-1+3<0 tengsizlikni yeching.
A)(-2;1) B)( ;2] C)[1; ) D)(-2;0) E)(0;0)
24. 5^х-5^2-х=20 tenglamani yeching.
A)-5 B)1 C)-5, 1 D)-2, -5 E)2
25. у=-3х²+12х-16 parabola uchining koordinatalarining yig’indisini toping.
A)-1 B)1 C)0 D)-2 E)2
26. Raqamlarining o’rinlarini almashtirganda qiymati 75% ga ortadigan ikki xonali natural son nechta.
A)1 B)2 C)3 D)4 E)6
27. 100dan ortiq bo’lmagan barcha 3 ga karrali sonlarning yig’indisini toping.
A)1683 B)1783 C)1680 D)1693 E)1608
28. 9ga bo’lganda qoldig’i 4 ga teng bo’ladigan barcha ikki xonali sonlarning yig’indisini toping.
A)1527 B)535 C)536 D)542 E)545
29. tengsizlikning eng kata butun yechimini toping.
A)1 B)2 C)-1 D)-2 E)0
30. Agar bo’lsa k ning qanday qiymatida x+y=2 tenglik o’rinli bo’ladi.
A)0 B)1 C)2 D)3 E)4
31.Ikki to’g’ri chiziqning kesishidan hosil bo’lgan qo’shni burchaklar ayirmasi 400 ga teng. Shu burchaklardan kichigini toping.
A)60 B)40 C)50 D)70 E)45
32.Uchburchakning tomonlari urtalarini tutashtirib, perimetri 65 bo’lgan uchburchak hosil qilindi. Berilgan uchburchakning perimetrini toping.
A)325 B)260 C)75 D)195 E)130
33.To’g’ri burchakli uchburchakning katetlaridan biri 12sm. Ikkinchisi esa, gipotenuzadan 8sm qisqa, shu uchburchak gipotenuzasini toping.
А)15 В)16 С)25 D)13 E)29
34. To’g’ri burchakli uchburchakning gipotenuzasi 10ga kichik katetining gipotenuzaga proeksiyasi 3.6ga, shu uchburchakning yuzini toping.
А)48 В)24 С)18 D)32 E)20.4
35. Rombning diogonallari 3:4 kabi nisbatda yuzi esa 384 ga teng. Uning perimetrini toping.
А)18 В)20 С)24 D)28 E)30
36.Parallelogramning tomonlari 3va 5 ga uning kichik diogonali 4ga teng. Shu parallelogramning yuzini toping.
А)6 В)8 С)10 D)12 E)14
37.Teng yonli trapetsiyaning yon tomoni va kichik asosi 5ga, balandligi 4ga teng. Trapetsiyaning yuzi 12 dan qancha kam.
А)19 В)22 С)20 D)18 E)24
38.Asosi 16 balandligi 4 bo’lgan teng yonli uchburchakka tashqi chizilgan aylananing radiusini toping.
А)10 В)11 С)12 D)10.5 E)9.5
39. Teng yonli trapetsiyaning asoslari 4va 16 ga teng. Shu trapetsiyaga ichki chizilgan doiraning yuzini toping.
А)20 В)25 С)36 D)16 E)
40. va vektorlar orasidagi burchakni toping.
А)150 В)135 С)120 D)60 E)45
41. Kubning barcha qirralari yig’indisi 96ga teng uning xajmini toping.
А)256 В)216 С)384 D)64 E)512
42. Kubning to’la sirtining yuzi 96ga teng. Kubning xajmini toping.
А)60 В)62 С)64 D)66 E)68
43. Muntazam to’rtburchakli kesik piramida asoslarining tomonlar 4 va 8 dioganal 12 ga teng. Kichik piramidaning baladligini toping.
А)2 В)6.2 С)5 D)4.5 E)3.5
44.Silindrning balandligi 3 ga, o’q kesiming diogonali 5ga teng, asosining radiusini toping.
А)2 В)3 С)4 D)5 E)1
45. Asoslari 6va 14ga teng bo’lgan teng yonli trapetsiyaning diogonallari o’zaro perpendikulyar. Trapetsiyaning yon tomonini toping.
А) В) С) D) E)
46. Muntazam ko’pburchakning tashqi burchagi 60⁰ga perimetri 54ga teng. Uning katta diogonalini toping.
А)12 В)16 С)18 D)20 E)10
47 Rombning tomoni 10ga diogonallarining nisbati 4:3 ga teng. Rombning yuzini toping.
А)192 В)96 С)24 D)60 E)48
48. Rombning balandligi 8ga diogonallarining ko’paytmasi 80ga teng. Uning perimetrini toping.
А)32 В)16 С)24 D)28 E)20
49.Diogonallari 6 va 8 ga, ular orasidagi burchak60⁰ ga teng bo’lgan parallelogramning perimetrini toping.
А) В) 3 С) D) E)
50.Teng yonli trapetsiyaning yon tomoni 5ga, balandligi 4ga, katta asosi 9ga teng. Uning o’rta chizig’ini toping.
А)4 В)5 С)3 D)2 E)6