Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 366 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 2 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. 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 2 / 25 2. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 44 yoki 124 B) 124 C) 44 D) 43 3 / 25 3. ni hisoblang A) 6/13 B) 13/17 C) 5/14 D) 19/56 4 / 25 4. 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) 27 C) 28 D) 31 5 / 25 5. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 335 C) 337 D) 336 6 / 25 6. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 38 B) 60 C) 64 D) 56 7 / 25 7. tenglamadan x ni toping A) 5/4 B) 4/5 C) 7/5 D) 11/6 8 / 25 8. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 7ta B) 6ta C) 1ta D) 4ta 9 / 25 9. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 9 B) 7 C) 23 D) 12 10 / 25 10. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 6 B) 12 C) 24 D) 15 11 / 25 11. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 140ta B) 180ta C) 50ta D) 160ta 12 / 25 12. 5100 soning tub bo’luvchilari yig’indisini toping. A) 28 B) 14880 C) 151 D) 27 13 / 25 13. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 12ta C) 8ta D) 1ta 14 / 25 14. Hisoblang A) 0,5 B) 1 C) 1,5 D) 2 15 / 25 15. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 1ta B) 2ta C) yo’q D) cheksiz ko’p 16 / 25 16. Ratsional ifodani kanonik ko’rinishga keltiring A) 1/2 B) (1+x)/(1+2x) C) (1-x)/(1+2x) D) (1+2x)/(1-x) 17 / 25 17. 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) 1220000 D) 1670000 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) 44 B) 47 C) 40 D) 15 19 / 25 19. 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) 12ta C) 20ta D) 16ta 20 / 25 20. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 126 B) 54 C) 27 D) 42 21 / 25 21. 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) 93 B) 99 C) 88 D) 95 22 / 25 22. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 24 B) 27 C) 36 D) 48 23 / 25 23. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 5 B) 9 C) 3 D) 4 24 / 25 24. 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) 0,12 C) -0,15 D) 0,15 25 / 25 25. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 11/5 B) 68/15 C) 31/85 D) 67/15 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
