Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 565 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 0 Savollar 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 4ta B) 7ta C) 1ta D) 6ta 2 / 25 2. tenglamadan x ni toping A) 7/5 B) 5/4 C) 11/6 D) 4/5 3 / 25 3. 32 dan 62,4 necha foiz ortiq? A) 95 B) 90 C) 89.5 D) 85 4 / 25 4. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 2ta B) cheksiz ko’p C) yo’q D) 1ta 5 / 25 5. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 31/85 B) 11/5 C) 68/15 D) 67/15 6 / 25 6. 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) 47 C) 40 D) 44 7 / 25 7. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 60 B) 38 C) 56 D) 64 8 / 25 8. 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) 18 B) 12 C) 17 D) 24 9 / 25 9. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 27 B) 48 C) 24 D) 36 10 / 25 10. 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) 28 B) 25 C) 27 D) 31 11 / 25 11. 32.816.549 ko`paytma necha xonali son ? A) 37 B) 52 C) 46 D) 50 12 / 25 12. 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) 0,12 C) -0,79 D) 0,15 13 / 25 13. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 44 B) 124 C) 44 yoki 124 D) 43 14 / 25 14. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+2x)/(1-x) B) (1-x)/(1+2x) C) (1+x)/(1+2x) D) 1/2 15 / 25 15. n, n+3, n+4, n+5, n+6, n+8, n+10, n+12, n+15 sonlarining o’rtadagisi 10 gateng bo’lsa, ushbu barcha sonlar yig’indisini toping. A) 99 B) 95 C) 93 D) 88 16 / 25 16. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 3 B) 9 C) 4 D) 5 17 / 25 17. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 12ta C) 1ta D) 8ta 18 / 25 18. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 55 B) 65 C) 50 D) 60 19 / 25 19. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 4 B) 5 C) 6 D) 3 20 / 25 20. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 15 B) 12 C) 24 D) 6 21 / 25 21. 5100 soning tub bo’luvchilari yig’indisini toping. A) 28 B) 151 C) 27 D) 14880 22 / 25 22. 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) 40 B) 44 C) 47 D) 15 23 / 25 23. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 126 B) 54 C) 42 D) 27 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. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 23 B) 12 C) 9 D) 7 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
