Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 555 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 0 Savollar 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 23 B) 12 C) 9 D) 7 2 / 25 2. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 180ta B) 50ta C) 140ta D) 160ta 3 / 25 3. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 4 B) 6 C) 5 D) 3 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) 40 B) 15 C) 47 D) 44 5 / 25 5. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 2ta B) yo’q C) cheksiz ko’p D) 1ta 6 / 25 6. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 44 B) 43 C) 124 D) 44 yoki 124 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) 88 B) 95 C) 93 D) 99 8 / 25 8. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 50 B) 60 C) 65 D) 55 9 / 25 9. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 56 B) 64 C) 38 D) 60 10 / 25 10. 32.816.549 ko`paytma necha xonali son ? A) 50 B) 37 C) 52 D) 46 11 / 25 11. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 27 C) 151 D) 28 12 / 25 12. tenglamadan x ni toping A) 11/6 B) 4/5 C) 5/4 D) 7/5 13 / 25 13. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 6 B) 12 C) 15 D) 24 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) 20ta B) 16ta C) 12ta D) 15ta 15 / 25 15. 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) 27 C) 25 D) 28 16 / 25 16. 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) 18 B) 24 C) 17 D) 12 17 / 25 17. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 36 B) 27 C) 48 D) 24 18 / 25 18. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 337 B) 336 C) 334 D) 335 19 / 25 19. Ratsional ifodani kanonik ko’rinishga keltiring A) 1/2 B) (1+x)/(1+2x) C) (1+2x)/(1-x) D) (1-x)/(1+2x) 20 / 25 20. 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) 40 D) 15 21 / 25 21. Hisoblang A) 2 B) 0,5 C) 1,5 D) 1 22 / 25 22. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 12ta C) 8ta D) 1ta 23 / 25 23. 32 dan 62,4 necha foiz ortiq? A) 85 B) 95 C) 89.5 D) 90 24 / 25 24. ni hisoblang A) 19/56 B) 13/17 C) 6/13 D) 5/14 25 / 25 25. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 31/85 B) 11/5 C) 67/15 D) 68/15 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
