Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 74 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. Tub sonlar ichida 3 ga bo’linadiganlari nechta? A) 2ta B) yo’q C) cheksiz ko’p D) 1ta 2 / 25 2. x va y sonlar ayirmasining uchlanganini yozing va shu ifodaning x=-0,37 va y=-0,42 bo`lganida son qiymatini toping. A) -0,79 B) -0,15 C) 0,12 D) 0,15 3 / 25 3. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 28 C) 27 D) 151 4 / 25 4. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 334 B) 335 C) 336 D) 337 5 / 25 5. 32 dan 62,4 necha foiz ortiq? A) 95 B) 90 C) 89.5 D) 85 6 / 25 6. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 36 B) 48 C) 27 D) 24 7 / 25 7. 32.816.549 ko`paytma necha xonali son ? A) 52 B) 50 C) 46 D) 37 8 / 25 8. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 126 B) 42 C) 27 D) 54 9 / 25 9. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 50ta B) 180ta C) 160ta D) 140ta 10 / 25 10. 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) 20ta C) 12ta D) 16ta 11 / 25 11. Dastlabki 50 ta tub son ko’paytmasi nechta nol bilan tugaydi? A) 12ta B) 1ta C) 8ta D) 5ta 12 / 25 12. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 4 B) 5 C) 6 D) 3 13 / 25 13. 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) 1120000 C) 112000 D) 1220000 14 / 25 14. 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) 25 B) 31 C) 28 D) 27 15 / 25 15. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 7 B) 12 C) 9 D) 23 16 / 25 16. ni hisoblang A) 5/14 B) 19/56 C) 13/17 D) 6/13 17 / 25 17. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 4ta B) 7ta C) 1ta D) 6ta 18 / 25 18. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 60 B) 55 C) 50 D) 65 19 / 25 19. tenglamadan x ni toping A) 5/4 B) 11/6 C) 7/5 D) 4/5 20 / 25 20. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+x)/(1+2x) B) 1/2 C) (1+2x)/(1-x) D) (1-x)/(1+2x) 21 / 25 21. 1 dan 110 gacha bo’lgan sonlar ichida 3 ga ham, 5 ga ham bo’linmaydiganlari nechta? A) 38 B) 64 C) 56 D) 60 22 / 25 22. Yarmining yarmi, yarmdan yarimga ortiq bo’lgan sonning uchlangangini toping. A) 12 B) 6 C) 15 D) 24 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) 99 B) 93 C) 88 D) 95 24 / 25 24. 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) 12 B) 17 C) 18 D) 24 25 / 25 25. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 9 B) 3 C) 5 D) 4 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
