1. Xo`jalik 100 ga yerga chigit ekib, malum bir nav paxtadan gektar boshiga 33 sr dan hosil ko`tardi. 50 ga boshqa yerga ekilgan o`sha nav paxtadan esa 30 sr dan hosil oldi


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1. Xo`jalik 100 ga yerga chigit ekib , malum bir nav paxtadan gektar boshiga 33 sr dan hosil ko`tardi . 50 ga boshqa yerga ekilgan o`sha nav paxtadan esa 30 sr dan hosil oldi . Xo`jalik 1 gektar yerdan o`rtacha qancha hosil olgan ? A ) 30 B ) 32 C ) 34 D ) 28
2. Sportchi balandlikka 5 marta sakradi va xar urunishda 2,1 ; 1,9 ; 2,0 ; 1,8 ; 2,2 metr hisobida . Sportchi o`rtacha necha metr balandlikka sakragan ? A ) 3 B ) 2,2 C ) 2,1 D ) 2
3. Uchta sonning o`rta arifmetigi 24 ga teng , u sonlarga yana bitta son qo`shildi va ularning o`rta arifmetigi 20 bo`ldi . Qo`shilgan sonning qiymatini toping .
A ) 12 B ) 9 C ) 8 D ) 10
4. Sonli qatorning medianasini toping . 20 , 23 , 24 , 27 , 29 , 31 , 34
A ) 20 B ) 34 C ) 27 D ) 23
5. Sonli qatorning medianasini toping . 13 , 17 , 23 , 29 , 33 , 27 , 34 , 37
A ) 31 B ) 25 C ) 27 D ) 29
6. Sonli qatorning kengligini toping . 12 , 15 , 18 , 21 , 24 , 27 , 30
A ) 3 B ) 18 C ) 12 D ) 30
7. 4 , 7 , 5 raqamlaridan foydalanib nechta uch xonali son tuzish mumkin ? ( raqamlari takrorlanmasin )
A ) 6 ta B ) 8 ta D ) 3 ta C ) 2 ta
8. 7 , 9 , 1 raqamlari yordamida nechta ikki xonali son tuzish mumkin ?
A ) 6 ta B ) 9 ta C ) 12 ta D ) 8 ta
9. Taqsimchada 2 ta olma , 2 ta nok , 2 ta shaftoli bor . Nodira va Nozima bu mevalardan 3 tasini tanlashmoqchi . Tanlashning nechta usuli bor ?
A ) 14 ta B ) 15 ta C ) 7 ta D ) 20 ta
10. 8 ta do`st o`zaro qo`l berib salomlashishdi , jami salomlashishlar soni nechta ?
A ) 28 ta B ) 56 ta C ) 8 ta D ) 16 ta
11. Shaxmat turnirida 20 ta shaxmatchi ishtirok etadi , ularning har biri bir – biri bilan bittadan partiya o`ynasa , jami o`yinlar soni nechta bo`ladi .
A ) 200 ta B ) 95 ta C ) 190 ta D ) 380 ta
12 . 4 ta turli xatni 4 ta turli qutiga necha xil usulda joylash mumkin ?
A ) 16 B ) 8 C ) 32 D ) 24
13. A shaxardan B shaxarga 3 xil , B shaxardan C shaxarga esa 4 xil usulda borish mumkin . A dan C ga necha xil usulda borish mumkin ?
A ) 7 xil B ) 12 xil C ) 24 xil D ) 4 xil
14. To`g`ri chiziqda 4 ta nuqta belgilandi . Hosil bo`lgan chizmada nechta kesma bor ?
A ) 6 B ) 3 C ) 5 D ) 4
15. 5 ga bo`linadigan 6 xonali sonlar nechta ?
A ) 18 104 B ) 9 104 C ) 5 D ) 6 54
16. Futbol jamoasidagi 11 ta o`yinchidan jamoa sardori va uning yordamchisini necha xil usulda tanlab olish mumkin ?
A ) 110 B ) 55 C ) 22 D ) 121
17. Aylana markazidan B nuqtagacha masofa 5 sm ga , radiusi 12 sm ga teng . B nuqtadan aylanagacha bo`lgan eng kichik va eng katta masofani toping .
A ) 7 ; 17 B ) 7 ; 12 C ) 5 ; 7 D ) 7 ; 24
18. Aylana tashqarisida berilgan nuqtadan aylana nuqtalarigacha bo`lgan eng katta va eng kichik masofalar mos ravishda 30 sm va 10 sm ga teng . Berilgan aylananing radiusini toping .
A ) 20 sm B ) 10 sm C ) 15 sm D ) 5 sm
19. AB - O markazli aylananing diametri. Agar OA = OC = BC bo`lsa , CAO burchakni toping .
A ) 600 B ) 300 C ) 900 D ) 1200
20. Radiusi R ga teng bo`lgan aylanadagi nuqtadan uzunliklari R ga teng bo`lgan ikita vatar o`tkazildi . Vatarlar orasidagi burchakni toping .
A ) 1200 B ) 1100 C ) 1350 D ) 400
21 . Aylanani kesuvchi ikki vatar orasidagi burchaklardan biri 800 ga teng . Shu burchakka qo`shni bo`lgan burchaklarning yig`indisini toping .
A ) 200 B ) 90 C ) 100 D ) 160
22. Agar to`g`ri to`rtburchakning tomonlari 4 marta orttirilsa , uning yuzi necha marta ortadi ?
A ) 4 B ) 8 C ) 16 D ) 32
23. Rombning yuzi 40 sm2 ga , uning perimetri 20 sm ga teng . Shu rombning balandligini toping .
A ) 2 B ) 8 C ) 4 D ) 16
24. Asoslari 8 va 12 ga teng bo`lgan teng yonli trapetsiyaning dioganallari o`zaro perpendicular . Trapetsiyaning yuzini toping .
A ) 100 B ) 64 C ) 144 D ) 76
25. Aylana tashqarisidagi nuqtadan aylanaga ikita urinma o`tkazilgan . Agar urinmalar orasidagi burchak 720 bo`lsa , aylananing urinish nuqtalari orasidagi katta yoyini toping.
A ) 2480 B ) 2400 C ) 2520 D ) 2360
26. 8 sm li vatar aylanadan 900 li yoy ajratadi . Aylana markazidan vatargacha bo`lgan masofani toping . A ) 6 B ) 3 C ) 5 D ) 4
27. Aylananing radiusi 13 sm ga teng . Shu aylanada 10 sm ga teng vatar o`tkazilgan . Aylana markazidan vatargacha bo`lgan masofani toping
A ) 12 B ) 9 C ) 5 D ) 10
28. Zalda 2 ta bo`sh joy bor . 3 nafar kishidan 2 tasini shu joyga necha xil usulda o`tqazish mumkin ?
A ) 3 xil B ) 6 xil C ) 2 xil D ) 4 xil
29. Sonli qatorning modasini toping . 78 , 79 , 80 , 79 , 81 , 82 , 82 , 79 , 83
A ) 78 B ) 82 C ) 79 D ) 83
30. 1 dan 9 gacha barcha sonlarning o`rta arifmetigini toping .
A ) 6 B ) 5,5 C ) 4 D ) 5

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