Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 459 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 2 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. 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) 47 B) 40 C) 44 D) 15 2 / 25 2. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 12ta B) 8ta C) 5ta D) 1ta 3 / 25 3. 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 4 / 25 4. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 28 C) 151 D) 27 5 / 25 5. Hisoblang A) 1 B) 1,5 C) 2 D) 0,5 6 / 25 6. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 15 B) 12 C) 24 D) 6 7 / 25 7. 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) 27 C) 25 D) 31 8 / 25 8. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 9 B) 3 C) 4 D) 5 9 / 25 9. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 24 B) 27 C) 36 D) 48 10 / 25 10. 32.816.549 ko`paytma necha xonali son ? A) 50 B) 46 C) 37 D) 52 11 / 25 11. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 12 B) 23 C) 7 D) 9 12 / 25 12. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 60 B) 55 C) 65 D) 50 13 / 25 13. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) (1+2x)/(1-x) C) (1+x)/(1+2x) D) 1/2 14 / 25 14. 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) 24 C) 12 D) 18 15 / 25 15. ni hisoblang A) 6/13 B) 13/17 C) 5/14 D) 19/56 16 / 25 16. 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) 95 D) 99 17 / 25 17. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 2ta B) yo’q C) cheksiz ko’p D) 1ta 18 / 25 18. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 43 B) 44 C) 44 yoki 124 D) 124 19 / 25 19. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 60 B) 64 C) 38 D) 56 20 / 25 20. 32 dan 62,4 necha foiz ortiq? A) 89.5 B) 95 C) 85 D) 90 21 / 25 21. 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) 1220000 B) 1120000 C) 112000 D) 1670000 22 / 25 22. 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) 15 C) 44 D) 47 23 / 25 23. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 27 C) 54 D) 126 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) -0,79 B) 0,15 C) 0,12 D) -0,15 25 / 25 25. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 337 B) 335 C) 336 D) 334 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
