+(a-7) x-32 a ning qanday qiymatida tenglamani ildizlaidan biri -8 ga teng

1. 
   +(a-7) x-32 a ning qanday qiymatida tenglamani ildizlaidan biri -8 ga teng.
   A) 3 B) 11 C) 10 D) 18
   
2. 
   Muntazam uchburchakning yuzi 16 ga teng. Uning perimetrini toping?
   A) 16 B) 36 C) 10 D) 24
   
3. 
   2 + ni hisoblang?
   A) 2 B) - C) D)
   
4. 
   K ning qanday qiymatida y=kx-5 funksiyaning grafigi A(2;1) nuqtadan o’tadi?
   A) 3 B) 2 C) 4 D) -1
   
5. 
   Bug’doydan 80% un olinadi. 12kg un olish uchun qancha bug’doy kerak bo’ladi.
   A) 9,6 B) 20 C) 15 D) 10
   
6. 
   Katelari 8 va 6 ga teng bo’lgan to’g’ri burchakli uchburchak perimetrini toping.
   A) 24 B) 8 C) 10 D) 16
   
7. 
   sistemaning eng katta butun va eng kichik butun yechimlari yig’indisini toping.
   A) 10 B) 8 C) 11 D) 9
   
8. 
   songa qarama-qarshi sonni belgilang.
   A) –x B) x C) - D)
   
9. 
   Ifodani soddalashtiring.
   A) 6 B) 6 C) 3 D) 3
   
10. 
    Agar a+b=3 va ab= -1 bo’lsa, ni hisoblang.
    A) 12 B) 11 C) 18- D) 10
    
11. 
    515253……8990 sonlarning raqamlari yig’indisini toping.
    A) 444 B) 434 C) 478 D) 445
    
12. 
    (1- )(1- )………(1- hisoblang.
    A) B) C) D)
    
13. 
    ifodani ixchamlang:
    A) (x- B) C) D)
    
14. 
    Qaysidir oyning juf kunlari 3 ta shanba kuniga to’g’ri keladi shu oyning 25 sanasi qaysi kuniga to’g’ri keladi
    A) Dushanbe B) seshanbe
    C) panshanbe D) juma
    
15. 
    X+ = x+y+z+t=?
    A) 8 B) 9 C) 10 D)
    
16. 
    Fudbol jamoasidagi 11 kishi orasidan jamoa sardori va uning yordamchisini nechi xil usulda tanlash mumkin?
    A) 110 B) 100 C) 55 D) 121
    
17. 
    Y=( ifodani +3 ga bo’lgandagi qoldig’ini toping?
    A) 14 B) 10 C) -3 D) -2
    
18. 
    9 EKUK ni toping?
    A) 3ab B) 3 C) ab D) 3a
    
19. 
    2021 yil 5-chi yanvar oyidan sigir to’g’ishni boshladi uni bolasi 3 yildan so’ng to’g’ishni boshlaydi 2036 ga borib jami sigilar nechta bo’ladi?
    A) 1597 B) 1500 C) 60 D) 1200
    
20. 
    1 dan 100 gacha bo’lgan sonlar oasida 3 ga ham 5 ga ham bo’linmaydiganlari nechta?
    A) 54 B) 52 C) 53 D) 50