Matematika. 5-sinf i-variant

Matematika. 5-sinf I-variant.

1.Ushbu 1234567891011...4950 sonning raqamlar yig’indisini toping.

A)335 B)330 C) 320 D)315

2. Bir nechta natural sonning yig’indisi 75 ga teng.Agar shu sonlarning har biridan 2 ni ayirib, yig’indi hisoblansa ,u 61 ga teng bo’ladi. M, m , ,. ,,Yig’indida nechta son qatnashgan?8

A)5 B)7 C)14 D)8

3. 18 36-16 36+24 27-25 -15 ning qiymatini toping. A)0 B)115 C) 45 D)15

4. 2 m² 3 dm² 4sm² necha sm² bo’ladi? A)2034 B)20244 C)21034D )20304

5. Ikki sonning ayirmasi 27 ga teng. Agar birinchi sonni ikkinchisiga bo’lsak , bo’linma 4 ga va qoldiq 3 ga teng chiqadi.Berilgan sonlarning yig’indisini toping.

A) 38 B)31 C)43 D)29

6.Hisoblang: 5,6

A) 57,7 B)57,6 C)56,7 D)56,6

7. 7 ta sonning o’rta arifmetigi 13 ga teng. Bu sonlarga qaysi son qo’shilsa , ularning o’rta arifmetigi 18 bo’ladi? A) 53 B)50 C)45 D)56

8. 94,2x-(49,5-93x)=6,66 tenglamani yeching. A) 3.5 B)4 C)0.33 D)0,3

9. ifoda n ning nechta natural qiymatida natural son bo’ladi? A) 3 B)6 C)4 D)5

10.G’o’la to’g’ri burchakli parallelepiped shaklida bo’lib ,ko’ndalang kesimining bo’yi va eni 20 sm dan, uzunligi esa 5 m .10 m² taxta tayyorlash uchun shund4ay g’o’lalardan nechtasini tildirish kerak?

A) 45 B)50 C)55 D)615

11. ni hisoblang? A) B) C) 1 D)

12.Agar son 12 teng bo’lib, uning kasr ko’rinishdagi yozuvida surati 264 ga teng bo’lsa , shu kasrning maxrajini toping? A) 25 B)32 C)22 D) 24

13.2¹⁰+3¹² yig’indining oxirgi raqamini toping? A) 9 B)5 C)1 D)4

14.Birinchi son ikkinchisidan 2,5 ga ortiq.Birinchi sonning qismi ikkinchi sonning qismiga teng.Shu sonlarning yig’indisini toping? A) 4 B)6 C)4 D)5

15.Nafaqaxo’rning oylik nafaqasi 450 so’m.Agar uning nafaqasi 20% ortsa ,u qancha nafaqa oladi? A)540 B) 470 C)900 D)490

16.Poezd metroning har ikki bekati orasidagi masofani 2 minutda bosib o’tsa, 12 bekat orasidagi masofani o’tish uchun qancha vaqt ketadi? A) 35 minut B)22 minut C)32 minut D)24 minut

17.Uchburchakning bir tomoni 13,5sm,ikkinchi tomoni birinchisidan 4,2 sm qisqa ,uchinchi tomoni esa avvalgi ikki tomonining o’rta arifmetigiga teng. Shu uchburchakning perimetirni toping? A) 34,2 sm B 23,2 sm C) 43,4sm D) 34,3 sm

18.To’g’ri to’rtburchak shaklidagi maydonning bo’yi 345m ,eni bo’yidan 70m qisqa shu maydonning perimetrini toping? A) 2440 m B) 1240 m C)3420m D) 830m

19.Tenglamani yeching: ((x:3+5) 4-29):5=3

20..Kubning qirrasi 5 sm ga teng. Kub sirtini toping.

21.112 m sim 23 ta teng bo’laklarga bo’lindi. Bitta bo’lakning uzunlisgini toping?

22. ni hisoblang.

23. . Ifodani soddalashtiring. 2a+154+3a-54

24.Sport zalining bo’yi 20,8m, eni 15,5m ga teng. Agar zalning balandligi 3,8m bo’lsa, uning hajmini toping?

25. Ifodaning qiymatini toping: 5