8 sonining nechta tub bo’lmagan natural bo’luvchilari bor a b c d 9
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208 sonining nechta tub bo’lmagan natural bo’luvchilari bor A)6 B)7 C)8 D) 9 2. Besh xonali sonning o’n minglar xonasida7 mavjud. Agar shu 7 ni birlar xonasiga ko’chirilsa ,bu son 31068 taga kamayadi Shu sonning raqamlar yig’indisini toping? A) 26 B) 21 C) 18 D) 14 3. Ushbu 21232527……….99 sonining raqamlar yig’indisi qanday raqam bilan tugaydi
5. Bir idishda 6 kg, ikkinchisida esa unga qaraganda 10 kg ortiqyog` bor. Ikkala idishda qancha yog` bor ?. A) 22 kg B) 12 kg C) 10 kg D) 16 kg 6. 12456789 soni quyidagi sonlardan qaysi biriga qoldiqsiz bo`linadi ?A) 3 B) 5 C) 9 D) 10 7. 124567895 soni quyidagi sonlardan qaysi biriga qoldiqsiz bo`linadi ?A) 3 B) 5 C) 9 D) 10 8. 5 ga karrali ikki xonali sonlar nechta ? A) 19 B) 18 C) 12 D) 20 9. Bir tokchada ikkinchisiga qaraganda 3 marta ko`p kitob bor. Ikkala tokchadagi jami kitoblar soni 108 ta bo`lsa, har bir tokchada nechtadan kitob bor ? A)60; 48 B) 75; 33 C) 72; 36 D) 81; 27 10. Kvadratning tomoni 4 m. Kvadratning perimetrini toping. A)12 B) 32 C) 16 D) 8 11. Tog’ri to’rtburchakning tomonlari 7 va 8 sm ga teng. Unig perimetrini toping. A)15 B)30 C)20 D)56 12. Kvadratning yuzasi 25 ga teng. Uning tomoni necha sm ga teng? A) 6 B)7 C)2 D)5 13. To’g’ri to’rtburchakning bir tomoni 6 ga, uning yuzi 72 ga teng. Uning ikkinchi tomonini toping. A)6 B)12 C)3 D)4 14. 2 3 necha ga teng. A)2003 B)203 C)20003 D)200003 15. 3 t 2sr 20 kg necha kg ga teng. A)3220 B)30220 C)322 D)3022 300 sonini 4; va 6 sonlariga to’g’ri proporsional bo’laklarga bo’ling. 10:40:250 B) 20:80:200 C) 80:100:120 D) 10:250:70 To’g’ri to’rtburchakning bo’yi 12% ga oshirildi, eni esa 25% ga kamaytirildi to’g’ri to’rtburchakning yuzi necha foizga o’zgaradi. 16% ortadi B) 12% kamayadi C) 16 % kamayadi D) 13% kamaydi Birinchi kubning qirrasi 5 sm, ikkinchisi esa undan 2 sm ortiq. Kublarning hajimlari nisbatini toping A) B) C) D) 6 Uchburchakning perimetri 57 sm ga teng. uning bir tomoni ikkinchisidan 1,5 sm uzun, uchinchisidan esa 3,6 sm qisqa.uchburchakning kichik tomonini toping? 14,8 B) 16,8 C) 17,8 D) 20,9 Ifodaning qiymatini toping: - 10 A) –10,138; B) 12,9; C) -7,08; D) -7,68. Tenglamani yeching: (10х-3) + (13х-4) = 7 – (14-22х). A) 0; B) ildizi yo‘q; C)- D) 44. 7 soni qaysi tenglamaning ildizi bo‘ladi ? A) 2(х+2) = -14; B) х+5 = 0; C) 3(х+1) = 4 (х-1); D) 2(х+3,5)+1= 3(х+1) Teng yonli uchburchakning perimetri 3,4 dm bo‘lib, yon tomoni 1,1 dm ga teng. Asosini uzunligini toping. A) 1,8 dm; B) 2,3 dm; C) 1,1 dm; D) 1,2 dm. Kitob 100 so'm, daftar undan 50 so'm arzon. 4 ta kitob va 2 ta daftar necha so'm? 150 B) 100 C) 120 D) 500 Kvadratning perimetri 24 ga teng.Uning tomoning yarimini toping? A)1 B) 2 C) 3 D) 4 Radiusi 2,8 m bo`lgan doiraning qismini yuzini toping ( ni o`ndan birlar xonasigacha yaxlitlang). A) 17,36 m2 B) 17,26 m2 C) 16,36 m2 D) 17,3 m2 85 km masofa 1:1000000 masshtabli xaritada qanday uzunlikdagi kesma bo`ladi? A) 8,5 m B) 805 sm C) 0,85 sm D) 8,5 sm Ifodaning qiymatini toping: A) -2 B) 2 C) D) soniga qarama-qarshi sonni toping A) 5,5 B) C) D) Detal ikki qismdan iborat. Detalning bir qismi kg, ikkinchi qismi esa undan kg ortiq . Butun detalning massasi qancha? A) 1,5 kg B) 1 kg C) 0,75 kg D) 0,6 kg Tenglamani yeching: A) 6 B) 20 C) 4 D) 5 300 tonna yoqilg`i tayyorlab qo`yilgan.Yanvar oyida yoqilg`ining 13,5% i, fevral oyida esa 19,5% i ishlatildi. Fevral oyida yanvar oyidagiga qaraganda necha tonna ko`p yoqilg`i ishlatilgan? A) 50 t B) 99 t C) 17 t D) 18t qismi 4,5 ga teng bo`lgan sonni toping . A) 2,4 B) 2,1 C) 24 D) 4,2 Ifodani soddalashtiring: A) B) C) D) (1,2a2) (- ab) (-5bc) (2c2) ni soddalashtiring A) -4a2 b2 c3 B) 4a3 b3 c3 C) 4a3 b2 c3 D) -4a3 b2 c3 (3n)2=81 tenglamani yeching A) n=4 B)n=2 C) n=3 D) n=5 53n+4 ∙ 52n+5 : 53n-1 =? A) 52n+8 B) 52n+10 C) 55n D) 54n a=10020 va b=800010 sonlarni taqqoslang. A) a>b B) a 870000 sonini standart shaklga keltiring A) 87*104 B) 870*103 C) 8700*102 D) 8,7*105 A) a15 B) a16 C) a8 D) a9 Download 29.96 Kb. Do'stlaringiz bilan baham: 
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