Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 56 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. 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) 1670000 B) 1220000 C) 112000 D) 1120000 2 / 25 2. ni hisoblang A) 6/13 B) 13/17 C) 5/14 D) 19/56 3 / 25 3. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 54 B) 126 C) 42 D) 27 4 / 25 4. 5100 soning tub bo’luvchilari yig’indisini toping. A) 151 B) 27 C) 14880 D) 28 5 / 25 5. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 56 B) 60 C) 38 D) 64 6 / 25 6. 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) 0,12 C) -0,79 D) 0,15 7 / 25 7. Ratsional ifodani kanonik ko’rinishga keltiring A) (1-x)/(1+2x) B) 1/2 C) (1+x)/(1+2x) D) (1+2x)/(1-x) 8 / 25 8. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 8ta B) 12ta C) 5ta D) 1ta 9 / 25 9. tenglamadan x ni toping A) 5/4 B) 7/5 C) 4/5 D) 11/6 10 / 25 10. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 44 yoki 124 B) 44 C) 43 D) 124 11 / 25 11. 32.816.549 ko`paytma necha xonali son ? A) 52 B) 37 C) 50 D) 46 12 / 25 12. 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) 15 D) 40 13 / 25 13. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 5 B) 3 C) 4 D) 9 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) 15ta C) 12ta D) 16ta 15 / 25 15. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 180ta B) 140ta C) 160ta D) 50ta 16 / 25 16. Hisoblang A) 1 B) 1,5 C) 0,5 D) 2 17 / 25 17. 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) 47 C) 44 D) 40 18 / 25 18. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 1ta B) cheksiz ko’p C) yo’q D) 2ta 19 / 25 19. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 7ta B) 1ta C) 4ta D) 6ta 20 / 25 20. 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 21 / 25 21. 32 dan 62,4 necha foiz ortiq? A) 90 B) 95 C) 89.5 D) 85 22 / 25 22. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 7 B) 9 C) 23 D) 12 23 / 25 23. 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) 99 D) 93 24 / 25 24. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 336 C) 335 D) 337 25 / 25 25. 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) 17 B) 18 C) 12 D) 24 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
