Tenglamani yeching: a -13 b c d 13 2


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Matematika test savollari 3 - Guruh

1.Tenglamani yeching:
A) -13 B) 5 C)7 D) 13
2. Ikki sonning yig’indisi 1,68 ga teng. Ulardan biri ikkinchisidan 3,2 marta katta. Shu sonlardan kattasini toping.
A)1,28 B) 4 C) 12,8 D) 0,4
3. 16 va 80 sonlarning protsent nisbatini toping
A) 25 B) 5 C) 20 D)80
4. Proporsiyaning noma’lum hadini toping: 7,5 : x = 15 : 6
A) 2,5 B) 6 C) 3 D) 4,5
5. To`g`ri to`rtburchakning perimetri 74 sm ga teng . Bo`yi enidan 4 sm uzun. Shu to`g`ri to`rtburchakning bo`yi va enini toping.
A) 20 sm; 17,6 sm B) 19 sm; 20,4 sm C) 27 sm; 18,4 sm D) 20,5; 16,5
6. 1034a+934b ifodaning qiymatini toping, a=2, b=4 A) 6408 B) 8607 C) 9371 D) 5804 7.Sinfda 30 ta o’quvchi bor. Agar sinfdagi qizlar 3 kg dan, og’il bolalar 5 kg dan makulatura (qog’oz chiqitlari) yig’ishsa, sinf bo’yicha jami 122 kg makulatura yig’ildi. Sinfda nechta o’g’il bola va nechta qiz bola o’qiydi? A) 40 B) 24 C) 402 D) 204 8.Ali, Soli va Vali tarozida o’z vaznlarini o’lchashdi. Ma’lum bo’lishicha, Ali bilan Solining vazni birgalikda 57 kg. Soli bilan Valining vazni 56 kg. Ali va Valining vazni 61 kg ekan. Har bir bolaning vazni qancha ekanligini toping? A) 40 B) 24 C) 402 D) 204 9,Fermer xo’jaligida birinchi kuni 125t, ikkinchi kuni birinchi kundagidan 42t ko’p kartoshka terib olindi. Uchinchi kuni esa ikkinchi kundagidan 28t ko’p kartoshka terib olindi. Uch kunda jami necha tonna kartoshka terib olindi? A) 487 B )480 C )459 D )417 10. Xaritadagi masshtabi 1: 10000000 bo`lsa, chizmadagi 3 sm ga necha km masofa to`g`ri keladi ? A) 30000 B) 3000 C) 300 D) 30 11. Hisoblang: 47,8·1,5+1,8·52,2+52,2·1,5+1,8· 47,8 A) 300 B) 330 C) 150 D) 180 12.O’lchamlari 15 m va 2m, 4m bo’lgan to’g’ri burchakli parallelepiped ko’rinishdagi basseynni suvga to’ldirishmoqchi. Agar quvurfan har 10 minutda 1 m3 suv basseynga tushsa, basseyn qancha vaqtda to’ladi A)10 soat B)12 soat C) 5 soat D) 20 soat. 13. 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) 37,5. 14. 240 soning 15% ni toping va unga 11%i 176 bo`lgan sonni qo`shing. A) 36 B) 1600 C)1336 D)1636 15.Proporsiyaning noma'lum hadini toping 13,84; 14,23 va 13,66. A) 13,91; B) 13,81; C) 13,72; D) 13,92. 16.13% 325 ga tengsonni toping? A) 42,25; B) 2500; C) 2700; D) 43,25. 17. 20 ta sigirga 3 oyga 4t ozuqa kerak. 15 ta sigirga 5 oyga qancha ozuqa kerak? A) 5t B) 4,8t C)5,5t D) 6 18. n ning qanday eng kichik qiymatida 86-n soni eng kam tub ko`paytuvchilarga ajraladi? A) 3 B) 5 C) 1 D) 7
19. Kasrlarni taqqoslang: 1991/2007 va 1992/2008 A) 1-si B)2-si C) teng D) taqqoslab bo`lmaydi 20. Davriy kasrni oddiy kasr ko`rinishida yozing: 2,3(14) A) B) C) D) 21.Ikki sonning o`rta arifmetik qiymati 57,9. Agar ulardan biri ikkinchisidan 1,2 ga ortiq bo`lsa, shu sonlardan kichigini toping.
A) 57,3 B) 53,7 C) 56,5 D 55,6 22.Qaysi nisbatlar proporsiya tashkil qiladi? 1) 26 : 5.2 va 39 : 7.8: 2) 7.5 :2.5 va 2.5 : 1.5; 3)10.5 : 3 va 31.5 : 9; 4)1 :2 va 1.6 : 3.5; A)1;3 B) 1;2 C) 3;4 D) 2;4 E) 1;4 23.Quyidagi oddiy kasrlardan qaysila-rini chekli o’nli kasr ko’rinishida tasvirlash mumkin? a) b) c) d) A) a,b B) d,c C) b,c D) a,d 24..Doiraning radiusi 5 birlikka orttirilsa uzunligi qanday o’zgaradi A) 5 П B )10 П C )15 П D ) 2,5 П 25. Quyidagilardan o`zaro teskari bo`lgan juftliklarni ko`rsating. 1) va ; 2) va ; 3) va 7 ; 4) 0,4 va A) 1;2 B) 1; 3 C) 2;3 D) 1;4 26.Tog`ri to`rtburchakningeni 40 % , bo`yi 30 % kamaytirilsa, uningyuzinechaprotsentgakamayadi ? A) 70 % B) 12 % C) 42 % D) 58 %. 27. Ikki sonning o’rta arifmetigi 20 ga, boshqa 8 ta sonning o’rta arifmetigi 10 ga teng bo’lsa , shu 10 ta sonning o’rta arifmetigini toping. A) 11 B) 12 C) 13 D) 14 28. Korxona ishlab chiqarilgan maxsulotni 33480 so’mga sotib 4% zarar qildi . maxsulotning tannarxi qancha A) 34125 B) 34800 C) 35250 D) 34875 29.Farhodda 2400 so’m bor edi. U pulining 25%ini sarflab, muzqaymoq sotib oldi. Keyin qolgan pulning 75% iga daftar sotib oldi. Farhodda qancha pul bo’lgan A) 450 B)550 C)400 D)500 30.To’g’ri to’rtburchakning yuzi 10 dm2 ga, balandligi esa 25 sm gat eng. Uning balandligining asosiga nisbatini toping. A)8:5 B)5:12 C)1:2 D)5:8
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