Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 471 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 1 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 6-sinf Matematika olimpiada №1 2019-yil bilimlar bellashuvida tushgan savollar 1 / 25 1. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 15 B) 6 C) 12 D) 24 2 / 25 2. 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) 15 B) 47 C) 44 D) 40 3 / 25 3. ni hisoblang A) 6/13 B) 19/56 C) 5/14 D) 13/17 4 / 25 4. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 4 B) 3 C) 5 D) 6 5 / 25 5. tenglamadan x ni toping A) 11/6 B) 5/4 C) 7/5 D) 4/5 6 / 25 6. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 12ta B) 1ta C) 5ta D) 8ta 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) 93 B) 88 C) 99 D) 95 8 / 25 8. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 64 B) 38 C) 60 D) 56 9 / 25 9. 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) 12 C) 17 D) 24 10 / 25 10. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 9 B) 7 C) 23 D) 12 11 / 25 11. 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) 1120000 B) 1220000 C) 1670000 D) 112000 12 / 25 12. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 2ta B) cheksiz ko’p C) yo’q D) 1ta 13 / 25 13. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 337 C) 335 D) 336 14 / 25 14. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 50 B) 65 C) 60 D) 55 15 / 25 15. x va y sonlar ayirmasining uchlanganini yozing va shu ifodaning x=-0,37 va y=-0,42 bo`lganida son qiymatini toping. A) 0,12 B) -0,15 C) 0,15 D) -0,79 16 / 25 16. 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) 28 C) 25 D) 31 17 / 25 17. Hisoblang A) 1 B) 1,5 C) 2 D) 0,5 18 / 25 18. 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) 15 B) 40 C) 47 D) 44 19 / 25 19. 32 dan 62,4 necha foiz ortiq? A) 90 B) 95 C) 85 D) 89.5 20 / 25 20. 32.816.549 ko`paytma necha xonali son ? A) 52 B) 46 C) 50 D) 37 21 / 25 21. 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 22 / 25 22. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 180ta B) 160ta C) 50ta D) 140ta 23 / 25 23. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 54 C) 126 D) 27 24 / 25 24. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 4 B) 9 C) 5 D) 3 25 / 25 25. Ratsional ifodani kanonik ko’rinishga keltiring A) 1/2 B) (1+x)/(1+2x) C) (1-x)/(1+2x) D) (1+2x)/(1-x) 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
