Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 421 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. tenglamadan x ni toping A) 5/4 B) 11/6 C) 7/5 D) 4/5 2 / 25 2. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 3 B) 9 C) 5 D) 4 3 / 25 3. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 337 B) 335 C) 334 D) 336 4 / 25 4. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 27 B) 42 C) 54 D) 126 5 / 25 5. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 11/5 B) 68/15 C) 67/15 D) 31/85 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) 0,15 C) 0,12 D) -0,79 7 / 25 7. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 15 B) 6 C) 24 D) 12 8 / 25 8. 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) 25 B) 28 C) 27 D) 31 9 / 25 9. 32.816.549 ko`paytma necha xonali son ? A) 50 B) 52 C) 46 D) 37 10 / 25 10. Hisoblang A) 0,5 B) 1,5 C) 1 D) 2 11 / 25 11. 32 dan 62,4 necha foiz ortiq? A) 90 B) 85 C) 89.5 D) 95 12 / 25 12. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 1ta C) 12ta D) 8ta 13 / 25 13. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 24 B) 48 C) 36 D) 27 14 / 25 14. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 60 B) 64 C) 38 D) 56 15 / 25 15. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 23 B) 12 C) 7 D) 9 16 / 25 16. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 7ta B) 6ta C) 1ta D) 4ta 17 / 25 17. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 6 B) 4 C) 3 D) 5 18 / 25 18. 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) 40 C) 15 D) 44 19 / 25 19. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 50ta B) 140ta C) 160ta D) 180ta 20 / 25 20. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 28 C) 151 D) 27 21 / 25 21. 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) 12 B) 17 C) 24 D) 18 22 / 25 22. ni hisoblang A) 19/56 B) 6/13 C) 13/17 D) 5/14 23 / 25 23. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+x)/(1+2x) B) (1+2x)/(1-x) C) 1/2 D) (1-x)/(1+2x) 24 / 25 24. 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) 16ta B) 20ta C) 12ta D) 15ta 25 / 25 25. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 55 B) 65 C) 60 D) 50 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
