Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 328 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. ni hisoblang A) 5/14 B) 19/56 C) 6/13 D) 13/17 2 / 25 2. 32.816.549 ko`paytma necha xonali son ? A) 52 B) 46 C) 50 D) 37 3 / 25 3. 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) 1670000 C) 1220000 D) 1120000 4 / 25 4. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 50 B) 55 C) 60 D) 65 5 / 25 5. 5100 soning tub bo’luvchilari yig’indisini toping. A) 27 B) 28 C) 151 D) 14880 6 / 25 6. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 27 B) 42 C) 54 D) 126 7 / 25 7. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 15 B) 6 C) 24 D) 12 8 / 25 8. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 4ta B) 7ta C) 6ta D) 1ta 9 / 25 9. 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 10 / 25 10. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) 1/2 C) (1+x)/(1+2x) D) (1+2x)/(1-x) 11 / 25 11. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 1ta C) 8ta D) 12ta 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) 0,15 C) -0,79 D) 0,12 13 / 25 13. 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) 44 B) 40 C) 15 D) 47 14 / 25 14. 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) 88 B) 93 C) 99 D) 95 15 / 25 15. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 5 B) 4 C) 3 D) 6 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) 15ta B) 16ta C) 20ta D) 12ta 17 / 25 17. 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) 40 D) 44 18 / 25 18. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 50ta B) 160ta C) 180ta D) 140ta 19 / 25 19. 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 20 / 25 20. tenglamadan x ni toping A) 4/5 B) 7/5 C) 11/6 D) 5/4 21 / 25 21. 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 22 / 25 22. Hisoblang A) 1 B) 2 C) 0,5 D) 1,5 23 / 25 23. 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) 24 B) 12 C) 17 D) 18 24 / 25 24. 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) 25 C) 31 D) 28 25 / 25 25. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 4 B) 9 C) 3 D) 5 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
