Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 74 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. 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) 31 B) 28 C) 27 D) 25 2 / 25 2. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 1ta B) 2ta C) cheksiz ko’p D) yo’q 3 / 25 3. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+x)/(1+2x) B) 1/2 C) (1+2x)/(1-x) D) (1-x)/(1+2x) 4 / 25 4. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 50 B) 60 C) 55 D) 65 5 / 25 5. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 124 B) 44 C) 44 yoki 124 D) 43 6 / 25 6. x va y sonlar ayirmasining uchlanganini yozing va shu ifodaning x=-0,37 va y=-0,42 bo`lganida son qiymatini toping. A) -0,15 B) -0,79 C) 0,15 D) 0,12 7 / 25 7. 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) 47 B) 44 C) 40 D) 15 8 / 25 8. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 24 B) 12 C) 6 D) 15 9 / 25 9. tenglamadan x ni toping A) 5/4 B) 11/6 C) 7/5 D) 4/5 10 / 25 10. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 160ta B) 180ta C) 50ta D) 140ta 11 / 25 11. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 68/15 B) 11/5 C) 31/85 D) 67/15 12 / 25 12. 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) 24 B) 12 C) 18 D) 17 13 / 25 13. Hisoblang A) 0,5 B) 2 C) 1,5 D) 1 14 / 25 14. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 4ta B) 7ta C) 6ta D) 1ta 15 / 25 15. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 54 C) 27 D) 126 16 / 25 16. 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) 47 B) 15 C) 44 D) 40 17 / 25 17. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 27 C) 28 D) 151 18 / 25 18. ni hisoblang A) 13/17 B) 6/13 C) 19/56 D) 5/14 19 / 25 19. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 335 C) 337 D) 336 20 / 25 20. 32 dan 62,4 necha foiz ortiq? A) 89.5 B) 95 C) 90 D) 85 21 / 25 21. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 56 B) 64 C) 60 D) 38 22 / 25 22. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 9 B) 23 C) 12 D) 7 23 / 25 23. 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) 15ta B) 20ta C) 12ta D) 16ta 24 / 25 24. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 9 B) 4 C) 3 D) 5 25 / 25 25. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 24 B) 48 C) 27 D) 36 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
