Agar bo`lsa, ni hisoblang. A b c d e 2

Matematika.
1Agar bo`lsa, ni hisoblang. A) B)8 C) D)4 E) 2
2. 3*470 yozuvidagi yulduzchani shunday raqam bilan almashtiringki , hosil bo’lgan son 45 ga qoldiqsiz bo’linsin.
A)4 B)5 C)0 D)6
3 . sistemasi x=3,y=2 yechimga ega bolsa a ning qiymatini toping.
A)5 B)4 C)2 C)2 D)3
4. a⁵+a⁴-2a³-2a²+a+1 ni ko’paytuvchilarga ajrating
A)(a+1)²(a-1)³ B)(a+1)³(a-1)² C)(a+1)⁴(a-1) D)(a+1)(a-1)⁴
5. . ABC uchburchakdа А uchidаgi tаshqi burchаgi 120⁰ gа C uchidаgi ichki burchаgi 80⁰ gа tеng, B uchidаgi tаshqi burchakni toping.
А) 160⁰ B) 180⁰ C)130⁰ D) 140⁰
6. Soddalashtiring: . A)1 B)0.5 C)2 D)1.5
7. sonlari proportsiyaning ketm-ket hadlari bo`lsa, ifodaning qiymatini toping.
A) B)2 C)3 D)
8. x, y va z sonlari orasida va munosabat o’rinli bo’lsa ni toping.
A) B)2 C) D)
9. Agar a natural sonni 36 ga bo’lganda bo’linma n ga qoldiq esa n² ga teng bo’lsa, a sonning eng katta qiymatini toping. A)160 B)432 C)205 D)117
10. 0,(7a) davriy kasrning qiymati ga teng bo`lsa, ning qiymatini toping. (bu yerda ikki xonali son) A) 2 B) 5 C) 0 D) 7
11. va sonlar tenglamaning ildizlari bo`lsa, ni hisoblang.
A) 144 B) 196 C) 121 D) 169
12. Arifmetik progressiyada bo`lsa, ni toping.
A) 15 B) 42 C) 35 D) 45
13. Soddalashtiring;
A) B) 0 C) D)
14. a va b natural sonlar shartni qanoatlantirsa, a+b ifodaning eng kichik qiymati nimaga teng bo’ladi? A) 17 B) 16 C) 13 D) 14
15. 5200000 sonining nechta natural bo`luvchisi bor? A) 64 B) 48 C) 56 D) 96
16. ni qisqartining. A) B) C) D)

17. Ikki sonning yig’indisi 242 ga, bu sonlardan kattasini kichigiga bo’lganda bo’linma 4ga qoldiq esa 22 ga teng. Sonlardan kichigini toping. A)52 B)44 C)42 D)56

18. [50;150] kesmada 3ga bo’linganda 1qoldiq, 4 ga bo’linganda 2 qoldiq, 5 ga bo’linganda 3 qoldiq va 6 ga bo’linganda 4 qoldiq qoladigan natural sonlar nechta? A)2 B)1 C)3 D)0
19. ni ko’paytuvchilarga ajrating.
A) B) C) D)
20. tenglamani yeching. A) B) 0;1 C) 1 D) 0
21. Agar va bo`lsa, ifodani soddalashtiring.
A) B) 1 C) D)
22. ni hisoblang. A) 7 B) 3 C) -7 D) -3
23. tenglamani yeching. A) B) C) D)
24. Agar ning qiymatini toping. A)27 B)24 C)18 D)21
25. Ko’phadni ko’paytuvchilarga ajrating.
A) B) C) D)
26. Hisoblang: (100-1)(100-4)(100-9)…(100-121) . A) B) C) D)
27.  sonlarini kamayish tartibida joylashtiring.
A) B) C) D)
28. Algebraik kasrni qisqartiring:  . A) B) C) D)
29. 4 ta nuqta to`g`ri chiziqdan nechta kesma ajratadi ? A) 3 B) 5 C) 6 D) 10
30. Tеng yonli uchburchakning uchidаgi burchаgi 94^0. Аsоsidаgi burchaklarning bissеktrisаlari kesishishidan hоsil bo’lgan o’tkir burchakni toping. А) 37⁰ B) 43⁰ C)48⁰ D) 47⁰