6-sinf Matematika olimpiada №1 Aprel 29, 2022Aprel 29, 2022 da chop etilgan InfoMaster tomonidan 6-sinf Matematika olimpiada №1 ga 1 fikr bildirilgan 2 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 60 B) 56 C) 64 D) 38 2 / 25 2. 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) 18 D) 17 3 / 25 3. 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 4 / 25 4. 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) 40 C) 47 D) 15 5 / 25 5. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 12ta B) 8ta C) 1ta D) 5ta 6 / 25 6. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 180ta B) 50ta C) 140ta D) 160ta 7 / 25 7. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 126 B) 54 C) 42 D) 27 8 / 25 8. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 3 B) 6 C) 5 D) 4 9 / 25 9. 5100 soning tub bo’luvchilari yig’indisini toping. A) 27 B) 151 C) 28 D) 14880 10 / 25 10. 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) 47 B) 44 C) 15 D) 40 11 / 25 11. 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) 31 C) 25 D) 28 12 / 25 12. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 44 B) 44 yoki 124 C) 124 D) 43 13 / 25 13. 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) 95 B) 93 C) 99 D) 88 14 / 25 14. tenglamadan x ni toping A) 5/4 B) 7/5 C) 4/5 D) 11/6 15 / 25 15. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) 1/2 C) (1+2x)/(1-x) D) (1+x)/(1+2x) 16 / 25 16. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 6ta B) 1ta C) 7ta D) 4ta 17 / 25 17. ni hisoblang A) 13/17 B) 6/13 C) 5/14 D) 19/56 18 / 25 18. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 15 B) 24 C) 6 D) 12 19 / 25 19. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 4 B) 3 C) 9 D) 5 20 / 25 20. Hisoblang A) 0,5 B) 2 C) 1 D) 1,5 21 / 25 21. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 36 B) 48 C) 27 D) 24 22 / 25 22. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 7 B) 23 C) 9 D) 12 23 / 25 23. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 337 C) 335 D) 336 24 / 25 24. 32 dan 62,4 necha foiz ortiq? A) 85 B) 89.5 C) 90 D) 95 25 / 25 25. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) cheksiz ko’p B) 1ta C) 2ta D) yo’q 0% Testni qayta ishga tushiring tomonidan Wordpress Quiz plugin Matematika olimpiada