Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 326 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. 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 2 / 25 2. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 68/15 B) 31/85 C) 11/5 D) 67/15 3 / 25 3. tenglamadan x ni toping A) 4/5 B) 11/6 C) 5/4 D) 7/5 4 / 25 4. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 335 B) 336 C) 334 D) 337 5 / 25 5. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 50ta B) 180ta C) 140ta D) 160ta 6 / 25 6. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 5 B) 4 C) 3 D) 9 7 / 25 7. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 1ta B) 8ta C) 5ta D) 12ta 8 / 25 8. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) (1+2x)/(1-x) C) (1+x)/(1+2x) D) 1/2 9 / 25 9. 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) 15 D) 40 10 / 25 10. ni hisoblang A) 5/14 B) 13/17 C) 19/56 D) 6/13 11 / 25 11. 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) 25 C) 28 D) 27 12 / 25 12. 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) 1120000 B) 112000 C) 1220000 D) 1670000 13 / 25 13. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 27 C) 28 D) 151 14 / 25 14. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 5 B) 4 C) 6 D) 3 15 / 25 15. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 55 B) 60 C) 65 D) 50 16 / 25 16. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 1ta B) 2ta C) yo’q D) cheksiz ko’p 17 / 25 17. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 36 B) 48 C) 27 D) 24 18 / 25 18. Hisoblang A) 2 B) 1,5 C) 1 D) 0,5 19 / 25 19. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 64 B) 60 C) 56 D) 38 20 / 25 20. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 6 B) 15 C) 24 D) 12 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) 95 B) 99 C) 88 D) 93 22 / 25 22. 32.816.549 ko`paytma necha xonali son ? A) 52 B) 50 C) 37 D) 46 23 / 25 23. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 7ta B) 6ta C) 4ta D) 1ta 24 / 25 24. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 126 C) 27 D) 54 25 / 25 25. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 23 B) 7 C) 9 D) 12 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
