Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 528 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. 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) 15 B) 47 C) 44 D) 40 2 / 25 2. Hisoblang A) 0,5 B) 2 C) 1 D) 1,5 3 / 25 3. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 126 B) 42 C) 27 D) 54 4 / 25 4. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 12ta C) 1ta D) 8ta 5 / 25 5. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 336 C) 337 D) 335 6 / 25 6. 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) 28 C) 25 D) 31 7 / 25 7. Bir gektar ko’kalamzor bir yil davomida havoni 70 tonna changdan tozalashga qodir. Umumiy maydoni 16000 ga bo’lgan ko’kalamzor bir yilda havoni necha tonna changdan tozalaydi? A) 112000 B) 1120000 C) 1670000 D) 1220000 8 / 25 8. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 50 B) 60 C) 55 D) 65 9 / 25 9. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 67/15 B) 68/15 C) 31/85 D) 11/5 10 / 25 10. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+2x)/(1-x) B) (1+x)/(1+2x) C) (1-x)/(1+2x) D) 1/2 11 / 25 11. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 3 B) 5 C) 6 D) 4 12 / 25 12. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 60 B) 56 C) 64 D) 38 13 / 25 13. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 180ta B) 160ta C) 140ta D) 50ta 14 / 25 14. 5100 soning tub bo’luvchilari yig’indisini toping. A) 28 B) 27 C) 151 D) 14880 15 / 25 15. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 4 B) 3 C) 9 D) 5 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) 16ta B) 12ta C) 20ta D) 15ta 17 / 25 17. 32.816.549 ko`paytma necha xonali son ? A) 46 B) 37 C) 50 D) 52 18 / 25 18. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 43 B) 44 C) 124 D) 44 yoki 124 19 / 25 19. 32 dan 62,4 necha foiz ortiq? A) 85 B) 89.5 C) 95 D) 90 20 / 25 20. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 4ta B) 7ta C) 1ta D) 6ta 21 / 25 21. 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) 40 B) 15 C) 44 D) 47 22 / 25 22. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 6 B) 15 C) 24 D) 12 23 / 25 23. 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) 95 B) 88 C) 93 D) 99 24 / 25 24. tenglamadan x ni toping A) 5/4 B) 11/6 C) 7/5 D) 4/5 25 / 25 25. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) yo’q B) cheksiz ko’p C) 1ta D) 2ta 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
