Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 50 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. 32.816.549 ko`paytma necha xonali son ? A) 37 B) 50 C) 52 D) 46 2 / 25 2. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 48 B) 24 C) 36 D) 27 3 / 25 3. 4(n-1)єN son 1, 2, 3, 4, 5, 6, 8, 10 va 20 ga qoldiqsiz bo’linsa, n ning eng kichik natural qiymatini toping. A) 27 B) 31 C) 28 D) 25 4 / 25 4. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 8ta B) 5ta C) 12ta D) 1ta 5 / 25 5. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) (1+2x)/(1-x) C) 1/2 D) (1+x)/(1+2x) 6 / 25 6. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 38 B) 64 C) 60 D) 56 7 / 25 7. Ishchi har kunlik rejada ko`rsatilganidan 25 ta detal ortiq yasab , uch kunda rejadagi 7 kunga mo`ljallanganidan 15 ta ortiq detal yasadi. Ishchi har kuni nechta detal yasagan ? A) 44 B) 47 C) 15 D) 40 8 / 25 8. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 5 B) 9 C) 4 D) 3 9 / 25 9. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 50 B) 65 C) 55 D) 60 10 / 25 10. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 6 B) 5 C) 4 D) 3 11 / 25 11. ni hisoblang A) 19/56 B) 5/14 C) 13/17 D) 6/13 12 / 25 12. Hisoblang A) 2 B) 1,5 C) 0,5 D) 1 13 / 25 13. Ishchi har kuni kunlik rejada ko’satilganidan 25 ta detal ortiq yasab, uch kunda rejadagi 7 kunga mo’ljallanganidan 15 ta ortiq detal yasadi. Ishchi har kuni nechtadan detal yasashi kerak edi ? A) 15 B) 44 C) 47 D) 40 14 / 25 14. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 11/5 B) 31/85 C) 67/15 D) 68/15 15 / 25 15. Uchta sonning uchinchisi ikkinchisidan nechta ortiq bo`lsa,ikkinchisi birinchisidan shuncha ortiq , bu sonlardan ikkita kichigining ko`paymasi 378, ikkita kattasining ko`paymasi 504 ekanligi ma`lum , shu uchta sondan birinchisini toping A) 17 B) 24 C) 18 D) 12 16 / 25 16. Akrom bog’dan bir nechta olma uzib chiqdi. Olmalarning 1/3 qismini va yana bir donasini ukasiga, qolgan olmalarning 1/3 qismini va yana bir donasini esa singlisiga berdi. Shunda uning o’zida 5 dona olma qolgan bo’lsa, Akrom bog’dan nechta olma uzib chiqqan? A) 20ta B) 15ta C) 12ta D) 16ta 17 / 25 17. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 1ta B) yo’q C) cheksiz ko’p D) 2ta 18 / 25 18. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 335 B) 337 C) 336 D) 334 19 / 25 19. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 27 C) 54 D) 126 20 / 25 20. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 160ta B) 140ta C) 50ta D) 180ta 21 / 25 21. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 124 B) 44 yoki 124 C) 44 D) 43 22 / 25 22. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 12 B) 9 C) 7 D) 23 23 / 25 23. x va y sonlar ayirmasining uchlanganini yozing va shu ifodaning x=-0,37 va y=-0,42 bo`lganida son qiymatini toping. A) -0,79 B) 0,15 C) 0,12 D) -0,15 24 / 25 24. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 7ta B) 1ta C) 6ta D) 4ta 25 / 25 25. 5100 soning tub bo’luvchilari yig’indisini toping. A) 151 B) 27 C) 14880 D) 28 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz