Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 415 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. tenglamadan x ni toping A) 7/5 B) 5/4 C) 11/6 D) 4/5 2 / 25 2. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 68/15 B) 67/15 C) 31/85 D) 11/5 3 / 25 3. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 55 B) 60 C) 65 D) 50 4 / 25 4. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 12ta B) 8ta C) 5ta D) 1ta 5 / 25 5. ni hisoblang A) 6/13 B) 13/17 C) 19/56 D) 5/14 6 / 25 6. 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) 18 C) 17 D) 12 7 / 25 7. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 9 B) 5 C) 3 D) 4 8 / 25 8. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 27 B) 42 C) 126 D) 54 9 / 25 9. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 9 B) 12 C) 23 D) 7 10 / 25 10. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 36 B) 48 C) 24 D) 27 11 / 25 11. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 50ta B) 160ta C) 140ta D) 180ta 12 / 25 12. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 12 B) 24 C) 15 D) 6 13 / 25 13. 32.816.549 ko`paytma necha xonali son ? A) 37 B) 46 C) 50 D) 52 14 / 25 14. 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) 44 C) 40 D) 47 15 / 25 15. x va y sonlar ayirmasining uchlanganini yozing va shu ifodaning x=-0,37 va y=-0,42 bo`lganida son qiymatini toping. A) 0,12 B) -0,79 C) -0,15 D) 0,15 16 / 25 16. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 38 B) 64 C) 60 D) 56 17 / 25 17. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+2x)/(1-x) B) (1-x)/(1+2x) C) 1/2 D) (1+x)/(1+2x) 18 / 25 18. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 6ta B) 1ta C) 4ta D) 7ta 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) 16ta C) 20ta D) 12ta 20 / 25 20. 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) 88 C) 93 D) 95 21 / 25 21. 32 dan 62,4 necha foiz ortiq? A) 85 B) 95 C) 90 D) 89.5 22 / 25 22. Hisoblang A) 1 B) 1,5 C) 0,5 D) 2 23 / 25 23. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 335 B) 334 C) 336 D) 337 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) 28 B) 31 C) 25 D) 27 25 / 25 25. 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) 1220000 C) 1120000 D) 1670000 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
