A 8900000 so`m b 17000000 so`m c 9800000 so`m d 14560000 so`m


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1. Futbol musobaqasida har biri 1500 so`mdan 6000 ta chipta va har biri 2000 so`mdan 4000 ta chipta sotildi. Hamma chiptalar uchun qancha pul olingan ?
A) 8900000 so`m B)17000000 so`m C) 9800000 so`m D) 14560000 so`m
2. Har biri x so`mdan 12 ta daftar va har biri y so`mdan 2 ta ruchka sotib olindi. Hamma xarid qancha turadi ?
A) (x + 12) · (y + 2) B) 12x + 2y C) 14xy D) 14 +x +y
3.(x -1) : (x+1) = 3 : 5 tenglamaning ildizi x0 bo`lsa, 41 – x0 ifodaning son qiymatini toping.
A) 4 B) 23 C) 26 D) 37
. Tenglik shaklida yozing: a va b sonlari yig`indisining ikkilangani ularning ko`paytmasiga teng.
A) B) 2∙(a+b) = a · b C) a + b · 2 = a · b D) a + b = 2 · a ·b
5 .Ko`paytirishni bajaring: (x2 + 1)(x -1)(x+1)
A) x4+1 B) x4 – 1 C) (x - 1)4 D) (x + 1)4
6. Yulduzcha o`rniga qanday raqam qo`yish mumkin: 196 = 2 · 2 · * · 7
A) 3 B) 11 C) 7 D) 13
7. Tenglamani yeching: .
A) 0 B) 11 C) 6 D) 3
8.Javlonbek tokzorning qismiga, O`tkirbek esa qismiga ishlov berdilar. Ular birgalikda tokzorning qancha qismiga ishlov berishdi ?
A) B) C) D)
9.Tenglamani yeching: .
A) B) C) D)
10. Do`konga keltirilgan tonna undan tonnasi sotildi. necha tonna un qoldi ?
A) B) C) D)
11. . Bir idishda kg, ikkinchisida esa unga qaraganda kg ortiq yog` bor. Ikkala idishda qancha yog` bor ?.
A) kg B) kg C) 10 kg D) 16 kg
12. Piyoda 4 km/soat tezlik bilan 2,5 soat, 6 km/soat tezlik bilan 1,5 soat yo`l yurdi. Uning o`rtacha tezligini toping.
A) 4,5 km/soat B) 4,75 km/soat C) 5 km/soat D) 9 km/soat
13. Ombordagi ozuqa 4 ta qo`yga 12 kunga yetadi. Shu ozuqa 3 ta qo`yga necha kunga yetadi?
A) 9 kunga B) 16 kunga C) 10 kunga D) 18 kunga
14. . -7 dan 15 gacha bo`lgan barcha butun sonlarning ko`paytmasi nimaga teng.
A) 34252636 B) 76352673836 C) 838363652 D) 0
15. . 11 ta sigir 7 kunda 924 litr sut beradi. Shunaqa sigirlardan 17 tasi 8 kunda necha litr sut beradi ?
A) 1632 B) 1564 C) 1438 D) 1362

16.Ifodaning koeffitsiyentini toping: 3,5 · a · (-4) ·c · ( ).


A) -7 B) 7 C) -14 D) 14
17. Tenglamani yeching: 3 (x + 1 )=5( x + 1 ) + 4.
A) 3 B) -3 C) 1 D) -1
18. . A va B shaharlar orasidagi masofa 520 km. Bu shaharlardan bir vaqtda bir – biriga qarab ikkita avtomobil yo`lga chiqdi. Birinchisining tezligi 75 km/soat, ikkinchisining tezligi 80 km/soat. 2,4 soatdan so`ng ular orasidagi masofa necha kilometr bo`ladi ?
A) 372 km B) 148 km C) 158 km D) 155 km E) 248 km
19. Piyoda soatiga 4 km/soat tezlik bilan ketmoqda. Shunday tezlik bilan u 2 soat-u 15 minutda necha kilometr yo`l bosadi?
A) 9,4 km B) 8,6 km C) 10 km D) 9 km E) 8,25 km
20. Mashina soatiga 72 km tezlik bilan 3 soat-u 20 minut yurdi. U shu masofani 2 soat-u 40 minutda o`tishi uchun qanday tezlik bilan yurishi kerak ?
A) 96 km/soat B) 82 km/soat C) 100 km/soat D) 85 km/soat E) 90 km/soat
21. 240 ning 15 % ini toping.
A) 36 B) 3,6 C) 14,4 D) 144
22. . Uchta sonning o`rta arifmetigi 12,5 ga teng. Bu 3 ta son qatoriga yana bir son qo`shib, o`rta arifmetik qiymat hisoblangan edi, u 13,2 ga teng chiqdi. Qo`shilgan son nechaga teng ?
A) 15,3 B) 14,6 C) 13,3 D) 12,85 E) 37,5.
23. . Ko`paytuvchilarga ajrating: 5(a-b)+a2(a-b)-3(b-a)
A) (a-b)(a2+2) B) (a-b)(a2-8) C) (a-b)(8-a2) D) (a-b)(a2+8)
24. . Ko`paytuvchilarga ajrating: (a2+25)2-100a2
A) (a-5)3(a+5) B) (a-5)(a+5)3 C) (a-5)2(a+5) D) (a-5)2(a+5)2
25. . Amallarni bajaring:
A) B) C) D)
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