Dastlabki beshta hadining yig’indisi 242 va maxraji ga teng geometrik progressiyaning to’rtinchi hadini toping

1. Dastlabki beshta hadining yig’indisi 242 va maxraji 3 ga teng geometrik progressiyaning to’rtinchi hadini toping.
A) 486 B) 162 C) 54 D) 27
2. Arifmetik progresssiyada   bo’lsa, d ni toping.
A) 15 B) 6 C) 3 D) 5
3._{ } tenglamalar sistemasidan _{ } ning qiymatini toping. A) 9 B) 108 C) 27 D) 15
4. Agar kamayuvchi 24 ta va ayiriluvchini 36 ta kamaytirilsa, ayirma qanday o’zgaradi?
A) 56 ta kamayadi B) 24 ta ortadi C) 12 ta ortadi D) 12 ta kamayadi
5.Arifmetik progressiyada dastlabki 3 ta hadi yig’indisi 66 ga, ikkinchi va uchinchi hadlarining ko’paytmasi 528 ga teng.Progressiyaning birinchi hadini toping.
A) 18 B) 20 C) 22 D) 24
6. Arifmetik progressiyaning to’rtinchi va o’n birinchi hadlari mos ravishda 2 va 30 ga teng.Shu progressiyaning uchinchi va o’ninchi hadlari yig’indisini toping.
A) 16 B) 18 C) 24 D) 28
7. x tenglamaning ildizlari yig`indisini toping. A) 0 B) 17 C) –17 D) –16
8.1 dan 75 gacha bo’lgan toq sonlar yig’indisi qanday raqam bilan tugaydi? A) 4 B) 3 C) 2 D) 0
9.Arifmetik progressiyaning oltinchi hadi 10 ga, dastlabki 16 ta hadining yig’indisi 200 ga teng.Shu progressiyaning 12-hadini toping. A) 14 B) 16 C) 18 D) 20
10.Geometrik progressiyaning maxraji -2 ga, dastlabki beshta hadining yig’indisi 5,5 ga teng.Progressiyaning beshinchi hadini toping. A) -16 B) 4 C) -8 D) 8
11.Geometrik progressiyaning ikkinchi hadi 2 ga, beshinchi hadi 16 ga teng.Shu progressiyaning dastlabki oltita hadi yig’indisini toping. A) 72 B) 64 C) 63 D) 81
12.Cheksiz kamayuvchi geometric progressiyaning hadlari yig’indisi 1,6 ga, ikkinchi hadi -0,5 ga teng.Shu progressiyaning uchinchi hadini toping.
A) B) C) D)
13. Tengsizliklar sistemasining butun echimlari yig’indisini aniqlang.
A) 10 B) 5 C) 6 D) 8
14._{ } funksiyaning aniqlanish
sohasini toping.
A) (−4; −3) ∪ (−3; 12] B) (−4; 12]
C) (−4; 12) D) (−∞; −3) ∪ (−3; 12]
15._{ } bo’lsa, _{ } ni a oqali ifodalang..
A) _{ } B) _{ } C) _{ } D) _{ }
16._{ } ifodaning qiymatini toping. A) 5 B) _{ } C) 2 D) _{ }
17. 20. _{ } tenglama nechta ildizga ega.
A) 1 B) 2 C) 0 D) 4
18. Ushbu _{ } funksiyaning aniqlanish sohasini toping. A) (0; 2) B) (2; 4) C) (-2; 2) D) (0; 2]
19. _{ } tenglamani yeching. A) 1 B) 0 C) -1 D) 2
20._{ } ni hisoblang.
A) 5 B) 4 C) 3 D) 2
21. Bo`yi 12 sm , eni 14 sm va balandligi 6 sm bo`lgan to`g`ri burchakli parallelepipedning sirtining yuzini toping;
A.1256sm² B. 648sm² C. 908 D.1008sm²
22. To`g`ri to`rtburchakning yuzi S ga asosi a ga teng. Uning perimetrini toppish uchun ifoda tuzing:
A. S/(2a)+a B. Sa+2a C.2( _{ } +a ) D. S/a + a
23. Ona farzandi uchun a so`mdan 8 ta rasm daftar, b so`mdan 5 ta ruchka, c so`mdan 20 ta daftar sotib oldi. Jami xaridni hisoblash formulasini yozing:
A. 8a+5b+20c B.8a+25(a+b) C.800abc D.8a+100bc
24. Teng yonli uchburchakning asosining uzunligi a ga teng bo`lib, u yon tomonlaridan 5 ga ortiq. Shu uchburchakning perimetrini hisoblash uchun ifoda tuzing. A) 3a + 10 B) 3a C) 3a +5 D) 3a -10
25. Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi 250⁰ ga teng. Burchaklardan kichigini toping.
A) 40⁰ B) 35⁰ C) 70⁰ D) 50⁰
26._{ } funksiyaning aniqlanish sohasini toping. A) _{ } B) _{ } C) _{ } D) _{ }
27. hisoblang.
A) B) C) D)