2015-yilning variantlari Matematika (Informatika) javoblari bilan

VARIANT № 111
1. chiziqlar bilan chegaralangan yopiq figura yuzini hisoblang.
A) 36 B ) 32 C)48 D)42
2 ni hisoblang
A) 0,(6) B ) 0,4 C) -0,6 D) -0,4
3. A (2;-5) nuqtadan o’tuvchi va y=x -6x+5 parabolaga urinuvchi to’g’ri chiziqning urinish nuqtasi abssissalari ko’paytmasini toping.
A) 2 B ) 4 C)-4 D) -2
4. Muntazam oitiburchakning tomoni √108 sm bo'lsa, unga tashqi va ichki chizilgan aylana radiuslarining nisbatini toping.
A) B) C) D)
5. Quyidagilardan qaysi biri n(n€N) ning
istalgan qiymatida natural son bo’ladi?
A ) B) C) D)
6. v vektorlar orasidagi burchakning radian o’lchovi ga teng va bo’lsa, shu vektorlarga qurilgan uchburchakning yuzini hisoblang.
A ) B) C) 3 D) 6
7. ABC uchburchakda A) 8 B ) 24 C)10 D) 12
8. tengsizlikning yechimini ko’rsating
A) [3;∞) B) {-1} va [3; ∞) C) {-1} va [2;3] D )[2 ; ∞ )
9. tenglamaning yechimiga teskari sonni toping.
A) 2 B ) 1 C ) – ½ D)1/2
10. tgα+ctgα≥2 tengsizlik qachon o’rinli?
A) B )
C) D)
11 tengsizlikni yeching
A) B) (1;10) C) (1;10) D) (-1/2;0)
12. 7¹⁶+7¹⁴ yig’indi qiymatining natural bo’luvchilari sonini toping.
A) 90 B ) 255 C) 100 D) 30
13. Agar 2 ≤ x ≤y≤ z≤t≤ 128 bo’lsa ifodaning eng kichik qiymatini toping.
A) 0,25 B ) 1,6 C) 0,75 D) 0,5
14. hisoblanag
A) 1 B ) 980 C) 825 D) 625
15. bo’lsa, f(f(3)) ni hisoblang.
A) 13/15 B) 19/13 C) 13/17 D)17/13
16. |2 - x| + 3x≤ 5 Tengsizlikni yeching.
A) x≤ -1 B) x≤1,5 C) x≥2 D) x≥3
17. Agar ABC uchburchakka BE medianna va AD bissektrisalar o’zaro perpendikulyar bo’lsa, AB:AC nisbatini toping.
A) 1:3 B ) 3:1 C) 1:2 D )2:1
18. Yig'indisi 6 ga teng, birinchi 5 ta hadining yig'indisi esa ga teng bo’lgan cheksiz kamayuvchi geometrik
progressiyaning uchinchi hadini toping.
A) 1,5 B) 0,75 C) 3 D) 0,5
19. Teng yonli trepetsiya asosidagi burchakning sinusi 0,6 ga, asoslariningayirmasi 4 ga teng,bo’lsa, trapetsiyaning yon tomonini toping.
A) 2,5 B ) 3 C )4 D) 2
20. tenglamadan x qabul qiladigan qiymatlami toping.
A) 1; √6 B)±1;±√6 C)-1;-√6 D) 3;√6
21. Vektorni vektorlar orqali ifodalang.
A) B ) C ) D)
22. Ikkita qarama-qarshi tomonlari yig’indisi 45 sm bo’lgan to’rtburchakka aylana ichki chizilgan. Qolgan ikkita tomoni 2:3 kabi nisbatda bo’lsa, bu tomonlardan kattasini toping.(sm).
A) 29 B) 28 C)27 D) 26
23. Diognallari 30 va 40 ga teng bo’lgan rombning tomonini toping.
A) 27 B) 25 C)22 D) 23
24. Ikkita shar berilgan bo’lib, ularning radiuslari 3 dm va 25 sm. Sharlar kesishish chizig’ining uzunligi 48 sm bo’lsa, ularning markazlari orasidagi masofani (sm) toping.
A) 18 yoki 24 B ) 11y o k I 25 C) 11 yoki 24 D) 12 yoki 20
25. tengsizlikni yeching.
A) B) C) R D)
26 Bankka 50000 so’m pul qo’yildi. Bir yildan so’ng jamg'arma p% ga ko’paydi. Jamg’armaning miqdori necha so’mga etdi?
A)50000p B)50000(p+100) C) 50000+100p D) 500(p+100)
27. ni hisoblang.
A) 32 B ) C) D)
28 bo’lsa, . ni toping.
A) B ) a C ) 2 D)
29. f( x)= f'(x)- ?
A) B) C) D)
30. ildizlari ko’paytmasini toping.
A) 4 B ) -2 C) 6 D) -4
31. Bir petabayt necha gigabaytga teng?
A) 2³⁰ gigabayt B) 2²⁵ gigabayt C) 2¹⁰ gigabayt D) 2²⁰ gigabayt
32. 2 ta mushuk 2 soatda 2 ta sichqonni yeydi. 4 ta mushuk 4 soatda nechta sichqonni yeydi?
A) 6 B ) 3 C) 4 D) 2
33.. Faylgayo’l berilgan: C :\Mypictures\klass\picture.bmp Fayl nomini ko’rsating.
A) My pictures B ) picture.bmp C) klass D) C:
34. MS Excell 2003 dasturining joriy “лист“ dan boshqa “лист“ kataklarida murojaat to'g'ri berilgan javobni ko’rsating.
A) “лист“ nomi //katak adresi B) “лист“ nomi /katak adresi C) “лист“ nomi.katak adresi
D) “лист“ nomi !katak adresi
35. Quyida keltirilgan U R L manzilda bayonnoma (protkol) nomini ko’rsating. http://www.tps.uz
A) www B ) tps C) http D) uz
36. Paskal tilining quyidagi takrorlash operatoridagi takrorlanishlar operatoridagi takrorlanishlar sonini aniqlang:
For i:=-17 downto -1 do write ( ‘talaba’);
A) 19 B ) 0 C) 1 D ) 17