6-sinf Matematika olimpiada №1 Aprel 29, 2022Aprel 29, 2022 da chop etilgan InfoMaster tomonidan 6-sinf Matematika olimpiada №1 ga 1 fikr bildirilgan 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 54 C) 27 D) 126 2 / 25 2. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 1ta B) 4ta C) 7ta D) 6ta 3 / 25 3. 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) 44 B) 40 C) 15 D) 47 4 / 25 4. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 38 B) 64 C) 56 D) 60 5 / 25 5. 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) 25 C) 27 D) 31 6 / 25 6. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) 1/2 C) (1+x)/(1+2x) D) (1+2x)/(1-x) 7 / 25 7. 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 8 / 25 8. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 5 B) 3 C) 6 D) 4 9 / 25 9. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 1ta B) 5ta C) 8ta D) 12ta 10 / 25 10. 5100 soning tub bo’luvchilari yig’indisini toping. A) 151 B) 14880 C) 28 D) 27 11 / 25 11. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 140ta B) 50ta C) 180ta D) 160ta 12 / 25 12. 32.816.549 ko`paytma necha xonali son ? A) 50 B) 46 C) 52 D) 37 13 / 25 13. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 15 B) 12 C) 6 D) 24 14 / 25 14. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 5 B) 3 C) 9 D) 4 15 / 25 15. 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) 12 B) 17 C) 18 D) 24 16 / 25 16. tenglamadan x ni toping A) 5/4 B) 4/5 C) 11/6 D) 7/5 17 / 25 17. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 335 B) 334 C) 337 D) 336 18 / 25 18. ni hisoblang A) 5/14 B) 13/17 C) 19/56 D) 6/13 19 / 25 19. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 68/15 B) 67/15 C) 11/5 D) 31/85 20 / 25 20. 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) 12ta B) 20ta C) 16ta D) 15ta 21 / 25 21. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 27 B) 36 C) 24 D) 48 22 / 25 22. 32 dan 62,4 necha foiz ortiq? A) 90 B) 85 C) 95 D) 89.5 23 / 25 23. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 43 B) 44 yoki 124 C) 124 D) 44 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) 0,15 D) 0,12 25 / 25 25. 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) 93 C) 88 D) 95 0% Testni qayta ishga tushiring tomonidan Wordpress Quiz plugin Matematika olimpiada
