Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 542 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. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 55 B) 65 C) 60 D) 50 2 / 25 2. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) (1+x)/(1+2x) C) (1+2x)/(1-x) D) 1/2 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) 25 C) 27 D) 28 4 / 25 4. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 27 B) 36 C) 24 D) 48 5 / 25 5. Hisoblang A) 0,5 B) 1 C) 2 D) 1,5 6 / 25 6. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 44 yoki 124 B) 44 C) 43 D) 124 7 / 25 7. 5100 soning tub bo’luvchilari yig’indisini toping. A) 27 B) 14880 C) 151 D) 28 8 / 25 8. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 7 B) 12 C) 9 D) 23 9 / 25 9. 32 dan 62,4 necha foiz ortiq? A) 95 B) 85 C) 90 D) 89.5 10 / 25 10. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 160ta B) 50ta C) 140ta D) 180ta 11 / 25 11. ni hisoblang A) 19/56 B) 5/14 C) 13/17 D) 6/13 12 / 25 12. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 9 B) 5 C) 4 D) 3 13 / 25 13. 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) 17 C) 18 D) 12 14 / 25 14. 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) 12ta D) 20ta 15 / 25 15. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 1ta B) 6ta C) 7ta D) 4ta 16 / 25 16. 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) 1670000 B) 1120000 C) 1220000 D) 112000 17 / 25 17. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 336 B) 337 C) 334 D) 335 18 / 25 18. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 126 B) 54 C) 42 D) 27 19 / 25 19. 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 20 / 25 20. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 12 B) 6 C) 24 D) 15 21 / 25 21. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 1ta B) 8ta C) 12ta D) 5ta 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) 44 B) 15 C) 40 D) 47 23 / 25 23. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 31/85 B) 68/15 C) 11/5 D) 67/15 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) 0,15 B) 0,12 C) -0,15 D) -0,79 25 / 25 25. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 1ta B) cheksiz ko’p C) yo’q D) 2ta 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
