Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 86 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. 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) 40 C) 15 D) 44 2 / 25 2. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 3 B) 9 C) 5 D) 4 3 / 25 3. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 60 B) 64 C) 56 D) 38 4 / 25 4. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 5 B) 6 C) 3 D) 4 5 / 25 5. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 50 B) 60 C) 65 D) 55 6 / 25 6. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 12 B) 6 C) 15 D) 24 7 / 25 7. 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) 17 D) 18 8 / 25 8. ni hisoblang A) 5/14 B) 13/17 C) 19/56 D) 6/13 9 / 25 9. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 8ta B) 5ta C) 1ta D) 12ta 10 / 25 10. 32 dan 62,4 necha foiz ortiq? A) 85 B) 89.5 C) 95 D) 90 11 / 25 11. 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) 88 D) 99 12 / 25 12. 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) 31 C) 25 D) 27 13 / 25 13. 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) -0,79 C) 0,15 D) 0,12 14 / 25 14. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 180ta B) 160ta C) 50ta D) 140ta 15 / 25 15. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) (1+2x)/(1-x) C) (1+x)/(1+2x) D) 1/2 16 / 25 16. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 337 C) 335 D) 336 17 / 25 17. Usta ishnig 0,75 qismini 17/4 soatda bajaradi. Shu ishning 4/5 qismini qancha vaqtda bajaradi? A) 11/5 B) 67/15 C) 68/15 D) 31/85 18 / 25 18. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 6ta B) 7ta C) 4ta D) 1ta 19 / 25 19. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) yo’q B) cheksiz ko’p C) 1ta D) 2ta 20 / 25 20. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 48 B) 24 C) 36 D) 27 21 / 25 21. 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) 44 C) 15 D) 40 22 / 25 22. 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) 112000 B) 1670000 C) 1120000 D) 1220000 23 / 25 23. tenglamadan x ni toping A) 7/5 B) 4/5 C) 11/6 D) 5/4 24 / 25 24. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 43 B) 124 C) 44 yoki 124 D) 44 25 / 25 25. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 27 B) 54 C) 126 D) 42 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
