Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 421 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. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 27 B) 54 C) 126 D) 42 2 / 25 2. 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 D) 44 yoki 124 3 / 25 3. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 337 B) 334 C) 335 D) 336 4 / 25 4. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 3 B) 6 C) 4 D) 5 5 / 25 5. 32.816.549 ko`paytma necha xonali son ? A) 37 B) 46 C) 50 D) 52 6 / 25 6. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 60 B) 55 C) 65 D) 50 7 / 25 7. 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) 15ta B) 16ta C) 20ta D) 12ta 8 / 25 8. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 24 B) 36 C) 48 D) 27 9 / 25 9. ni hisoblang A) 19/56 B) 5/14 C) 6/13 D) 13/17 10 / 25 10. 32 dan 62,4 necha foiz ortiq? A) 90 B) 85 C) 95 D) 89.5 11 / 25 11. 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) -0,15 C) -0,79 D) 0,12 12 / 25 12. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 6 B) 15 C) 12 D) 24 13 / 25 13. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+x)/(1+2x) B) 1/2 C) (1+2x)/(1-x) D) (1-x)/(1+2x) 14 / 25 14. 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 15 / 25 15. tenglamadan x ni toping A) 7/5 B) 5/4 C) 11/6 D) 4/5 16 / 25 16. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 64 B) 56 C) 38 D) 60 17 / 25 17. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 9 B) 3 C) 4 D) 5 18 / 25 18. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 5ta B) 12ta C) 1ta D) 8ta 19 / 25 19. 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) 25 C) 31 D) 28 20 / 25 20. 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) 112000 C) 1670000 D) 1220000 21 / 25 21. Hisoblang A) 1 B) 0,5 C) 1,5 D) 2 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) 17 B) 24 C) 12 D) 18 23 / 25 23. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) cheksiz ko’p B) 1ta C) 2ta D) yo’q 24 / 25 24. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 7 B) 12 C) 23 D) 9 25 / 25 25. 5100 soning tub bo’luvchilari yig’indisini toping. A) 151 B) 28 C) 27 D) 14880 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
