Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 421 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. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 7ta B) 4ta C) 6ta D) 1ta 2 / 25 2. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 60 B) 56 C) 38 D) 64 3 / 25 3. 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) 28 C) 25 D) 27 4 / 25 4. 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) 47 C) 44 D) 15 5 / 25 5. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 55 B) 65 C) 50 D) 60 6 / 25 6. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 50ta B) 160ta C) 180ta D) 140ta 7 / 25 7. 32 dan 62,4 necha foiz ortiq? A) 89.5 B) 90 C) 95 D) 85 8 / 25 8. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 1ta B) cheksiz ko’p C) 2ta D) yo’q 9 / 25 9. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 337 B) 334 C) 335 D) 336 10 / 25 10. 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 11 / 25 11. 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 12 / 25 12. tenglamadan x ni toping A) 5/4 B) 4/5 C) 11/6 D) 7/5 13 / 25 13. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 24 B) 6 C) 15 D) 12 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. 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) 20ta B) 16ta C) 12ta D) 15ta 16 / 25 16. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 126 C) 27 D) 54 17 / 25 17. Hisoblang A) 1 B) 1,5 C) 0,5 D) 2 18 / 25 18. 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) 17 B) 12 C) 24 D) 18 19 / 25 19. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+2x)/(1-x) B) 1/2 C) (1-x)/(1+2x) D) (1+x)/(1+2x) 20 / 25 20. 32.816.549 ko`paytma necha xonali son ? A) 52 B) 50 C) 46 D) 37 21 / 25 21. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 7 B) 9 C) 12 D) 23 22 / 25 22. 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) 40 B) 15 C) 47 D) 44 23 / 25 23. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 3 B) 4 C) 5 D) 9 24 / 25 24. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 12ta B) 8ta C) 5ta D) 1ta 25 / 25 25. ni hisoblang A) 13/17 B) 6/13 C) 5/14 D) 19/56 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
