Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 242 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. Ratsional ifodani kanonik ko’rinishga keltiring A) 1/2 B) (1+x)/(1+2x) C) (1-x)/(1+2x) D) (1+2x)/(1-x) 2 / 25 2. 32.816.549 ko`paytma necha xonali son ? A) 50 B) 46 C) 37 D) 52 3 / 25 3. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 27 B) 54 C) 126 D) 42 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) 47 B) 15 C) 40 D) 44 5 / 25 5. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 337 B) 336 C) 334 D) 335 6 / 25 6. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 151 C) 27 D) 28 7 / 25 7. 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) 95 C) 88 D) 93 8 / 25 8. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 27 B) 24 C) 36 D) 48 9 / 25 9. 32 dan 62,4 necha foiz ortiq? A) 90 B) 95 C) 89.5 D) 85 10 / 25 10. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 65 B) 60 C) 50 D) 55 11 / 25 11. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 64 B) 60 C) 38 D) 56 12 / 25 12. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) yo’q B) 1ta C) cheksiz ko’p D) 2ta 13 / 25 13. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 3 B) 6 C) 4 D) 5 14 / 25 14. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 12 B) 24 C) 6 D) 15 15 / 25 15. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 1ta B) 4ta C) 7ta D) 6ta 16 / 25 16. 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 17 / 25 17. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 9 B) 23 C) 12 D) 7 18 / 25 18. Hisoblang A) 0,5 B) 1,5 C) 1 D) 2 19 / 25 19. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 1ta C) 12ta D) 8ta 20 / 25 20. tenglamadan x ni toping A) 11/6 B) 7/5 C) 5/4 D) 4/5 21 / 25 21. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 124 B) 44 yoki 124 C) 43 D) 44 22 / 25 22. 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) 24 C) 17 D) 18 23 / 25 23. 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) 16ta C) 20ta D) 15ta 24 / 25 24. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 4 B) 5 C) 9 D) 3 25 / 25 25. 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) 47 C) 15 D) 40 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
