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Matematika
5-sinf ixtisoslashgan maktablar uchun test savollari
I-variant
1. Hisoblang: 275·41+275·31+275·28
A) 27500 B)15700 C)12500 D)17500
2. Tenglamani yeching. ((X:3+5)·4-29):5=3
A)15 B)18 C)2 D)16
3. Ketma-ket kelgan 4 ta juft sonning yig`indisi 3692 ga teng. Shu sonlarni toping.
A)486;488;450;458 B)920;922;924;926 C)328;330;332;334 D)452;454;456;458
4. Son qanday raqam bilan tugaydi? 2786
2009
-2345
2007
A)11 B)1 C)15 D)14
5. 1dan 100 gacha bo`lgan natural sonlar ko`paytmasi nechta nol bilan tugaydi?
A)10 B)11 C)12 D)24
6. Ifodani soddalashtiring: y-89-248
A) y-159 B) y-337 C) y+159 D) y-237
7. Hisoblang: 38:9-7:9+5:9
A) 4 B) 5 C) D)
8. Qirrasi 2 sm bo`lgan uchta bir xil kubdan to`g`ri burchakli parallelepiped yasaldi.
Parallelepipedning qirralari yig`indisini toping.
A) 72 sm B) 64 sm C) 48sm D) 40 sm
9. Tomonlari 7 m va 28 m bo`lgan to`g`ri to`rtburchakning yuzi qandaydir kvadratning yuziga teng.
Kvadratning tomonini toping.
A) 12 m B) 14 m C) 16 m D) 20 m
10. Agar kamayuvchini 24 taga, ayriluvchini 36 taga kamaytirilsa, ayirma qanday o`zgaradi?
A)56taga kamayadi B) 24 taga ortadi C) 12 taga ortadi D)12 taga kamayadi
11. Poyezdda 936 ta yo`lovchi bor edi. Agar erkaklar bolalardan 7 marta, ayollar esa 5 marta ko`p
bo`lsa, poyezdda qancha ayol bo`lgan?
A) 320 B)350 C) 360 D)400
12. Maxsulotning narxi 20% ga kamaygandan keyin 4000 so`m bo`ldi. Maxsulotning dastlabki
narxini toping.
A) 4800 so`m B) 3200 so`m C) 4400 so`m D) 5000 so`m
13. Harfli ifodaning qiymatini toping. (30y-25)-(20y+10), bunda y=4 ga teng.
A)235 B)165 C)25 D)5
14. Amallarni bajaring. 6 −3
A)2 B)3 C)3 D)9
15. n,m,k,l-natural sonlar. Agar: n·m=21, m·k=35, k·l=40 bo`lsa, m+n+k+l yig`indini toping?
A) 32 B) 13 C)23 D)31
16. Ifodaning qiymatini toping. (4·6
2
:2
3
+16)·5
A)170 B)180 C)710 D)810
17. Tenglamaning ildizini toping. n·n·n·n=81
A)3 B)9 C) 11 D)19
18. Magazinga har birida 25 tadan daftar bo`lgan bir nechta bog`lam va yana 15ta daftar keltirildi.
Hammasi bo`lib 340ta daftar keltirilgan. Magazinga hammasi bo`lib necha bog`lam daftar
keltirilgan?
A) 12 B) 13 C) 10 D) 23
19. To`g`ri burchakli parallelepipedda V=1170 dm
3
, H=78 dm bo`lsa, uning asosiy yuzini toping.
A )18dm B) 15 dm C)15 dm
2
D)18 dm
2
20. Tenglamani yeching. y+2 =5
A)3 B)2 C)7 D)3
21. Uchta sonning o`rta arifmetigi 3,5ga teng. Ikkinchi son birinchi sondan 2,5marta katta, uchinchi
son ikkinchisidan 0,6 ga katta. Bu sonlarni toping.
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22. Ifodani soddalashtiring 2,4x-1,6x+3,2x-x va x=46 da uning qiymatini toping.
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23. To`g`ri to`rtburchakning yuzi 247 sm
2
, eni 13 sm. To`g`ri to`rtburchakning perimetrini toping.
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24. Quyidagi c= (12-m):8 formuladan m ni toping.
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25. Ikki velosipedchi bir biriga qarab harakatlanishmoqda. Ulardan birining tezligi 13 km/soat,
ikkinchisining tezligi 14 km/soat. Hozir ular orasidagi masofa 10 km bo`lsa, 0,3
soatdan keyin
ular orasidagi masofa qancha bo`ladi?
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26. Tomorqa butun yerning 3/8 qismini tashkil qiladi. Agar tomorqa 7,2 ga bo`lsa,
butun maydon
necha gektar?
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27. Tenglamani yeching: 18,63:(4,3+m)=0,23
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28. Qayiqning turg`un suvdagi tezligi 10,3 km/soat, oqimning tezligi undan 8,6 km/soat kam.
Qayiqning oqim bo`yicha va oqimga qarshi tezligini toping.
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29. Uchburchakning bir tomoni 13,5sm, ikkinchi tomoni birinchisidan 4,2sm qisqa, uchinchi tomoni
esa avvalgi ikki tomonning o`rta arifmetigiga teng. Shu uchburchakning perimetrini toping.
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30. Tenglamani yeching: 8,2x-4,4x=38,38
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