2, 3, 5, va 11 ga bo‘lganda, qoldiqda chiqadigan eng kichik butun musbat sonni toping

A) 36 B) 54 C) 48 D) 72

13. Teng yonli trapetsiyaning balandligi _{ } , yuzasi _{ } va o‘tkir burchagi _{ } bo‘lsa, uning o‘rta chizig‘i trapetsiya yuzasini qanday nisbatda bo‘ladi?

A) _{ } B) _{ } C) _{ } D) _{ }
14. Agar va bo’lsa, son nimaga teng.
A) B) C) D)

15. _{ } ifodaning eng kichik qiymati nechaga teng?

A) _{ } B) _{ } С) _{ } D) _{ }

16. Perimetri 15 sm, gipotenuzasi 7 sm bo‘lgan to‘g‘riburchakli uchburchak yuzasini toping.

A) 3,75 B) 4,25 C) 4 D) 6,25

17. Qavariq n-burchakning ichki burchaklari yig‘indisi tashqi burchaklar yig‘indisidan ikki marta katta. n ni toping.

A) 6 B) 8 C) 5 D) 4

18. sonini 19 ga bo`lgandagi qoldiqni toping.

A) 5 B) 4 C) 3 D) 2

19. _{ } ning eng kichik qiymatini toping.

A) 10 B) 9 C) 8 D) 6

20. o’sib borish tartibida joylashtiring

A) a,c,d,b B) a,d,c,b C) a,d,b,c D)a,b,c,d

21. _{ } tenglama ildizlari yig‘indisini toping.

A) -0,5 B) 0,5 C) 1,5 D) – 1,5

22. Agar _{ } bo‘lsa, _{ } ni soddalashtiring.

A) 2 B) _{ } C) 1 D) _{ }

23. f(0)=0, f(1)=1 va har bir uchun, f(3n-1)=f(n)-1, f(3n)=f(n), f(3n+1)=f(n)+1 bo`lsa f(2011) ni toping:

A) 7 B) 5 C) 3 D) 1

24. Hisoblang: _{ }

A) 1 B) 2 C) 3 D) _{ }
25. . Barcha shartlarni qanoatlantiruvchi (x,y,z) sonlar uchligiga yechim deyiladi. Nechta yechim mavjud?
A) 3 B) yechimi yo‘q C) 2 D) 1

26. a_n ketma-ketlikda a₁=1, a₃=4 va har bir uchun a_n+1 + a_n-1=2a_n+1 bo`lsa a₂₀₁₁ ni toping.

A) 2²⁰¹⁰ B) 2021056 C) 1010528 D) 3016

27. _{ } ni _{ } ga bo‘lganda qoldiqni toping.

A) 5 B) 7 C) 8 D) 9

28. Agar bo’lsa, ning qiymatini toping. (Bu yerda )

A) a, b, c ga bog’liq B) 0 C) 2 D) 1

29. Tomonlari 6 dm, 8 dm va 10 dm bo‘lgan uchburchakning yuzasini hisoblang.

A) 0,24 _{ } B) 2,4 _{ } C) 30 _{ } D) _{   }

30. ABC uchburchak _{ } va katetlari 5 sm va 12 sm. Bissektrisalarning kesishish nuqtasi O bo‘lsa, AOB uchburchak yuzasini toping.

A) 30 B) 13 C) 15 D) 12,5

31. Teng yonli uchburchakka tashqi va ichki chizilgan aylanalarning radiuslari nisbati _{ } ga teng. Uchburchakning burchaklarini toping.

Javob ____________________________________

32. yig’indini hisoblang.

Javob ____________________________________

33. tengsizlikni yeching.

Javob ____________________________________

34. _{ } tenglamani yeching.

Javob ____________________________________

35. Tengsizlikni yeching: _{ }.

Javob ____________________________________

36. Agar x²+y²+z²-10x-6y+10z+59=0 bo‘lsa, 5x+4y+6z ifodani qiymatini toping.

Javob ____________________________________

37. Tenglamalar sistemasini yeching:

Javob: ____________________________
38. Quyidagi tenglamalar sistemasini yeching:_{ }
Javob: ____________________________

39. To‘g‘ri burchakli uchburchakning gipotenuzasiga parallel bo‘lgan o‘rta chizig‘i uchburchakni perimetrlarining nisbati 6:8 bo‘lgan qismlarga ajratadi. Uchburchak katetlarining nisbatini hisoblang.

Javob: ____________________________

40. 100 so‘mga 100 dona parranda - g‘oz, o‘rdak va jo‘jalar sotib olindi. Agar g‘oz 10 so‘m o‘ rdak 5 so‘m va jo‘ja 50 tiyin tursa,har bir parrandadan nechtadan sotib olingan?

Javob: ____________________________