Uy » Online olimpiada » Matematika olimpiada » 6-sinf Matematika olimpiada №1 Matematika olimpiada 6-sinf Matematika olimpiada №1 InfoMaster Aprel 29, 2022 50 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. 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) 44 B) 15 C) 47 D) 40 2 / 25 2. Agar p+10 va p+14 lar tub sonlar bo’lsa,u holda p tub sonning qiymatini toping. A) 12 B) 9 C) 7 D) 23 3 / 25 3. 13478+1347+134+13 yig`indi quyidagi qaysi songa qoldiqsiz bo`linadi A) 5 B) 4 C) 3 D) 9 4 / 25 4. Qanday ikki xonali son o’z raqamlari yig’ndisidan 4 marta, ko’paytmasidan 3 marta katta? A) 48 B) 27 C) 24 D) 36 5 / 25 5. Hisoblang A) 2 B) 1,5 C) 0,5 D) 1 6 / 25 6. 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 7 / 25 7. Ratsional ifodani kanonik ko’rinishga keltiring A) (1+x)/(1+2x) B) (1-x)/(1+2x) C) 1/2 D) (1+2x)/(1-x) 8 / 25 8. ni hisoblang A) 5/14 B) 19/56 C) 6/13 D) 13/17 9 / 25 9. a,b,c-natural sonlar. Agar a∙b=41 b∙c=82 bo’lsa, a+b+c ni hisoblang. A) 43 B) 44 C) 124 D) 44 yoki 124 10 / 25 10. 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) 18 C) 24 D) 17 11 / 25 11. 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 12 / 25 12. 2 ta ketma-ket toq sonlar yig`indisi quydagilardan qaysi biri albatta bo`linadi? A) 5 B) 3 C) 6 D) 4 13 / 25 13. 5100 soning tub bo’luvchilari yig’indisini toping. A) 14880 B) 28 C) 151 D) 27 14 / 25 14. 11 ga karrali barcha ikki xonali sonlarning o`rta arifmetigini toping ? A) 55 B) 60 C) 65 D) 50 15 / 25 15. 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) 31 B) 28 C) 25 D) 27 16 / 25 16. Dastlabki 200 ta natural sonlar ichida nechta bir raqami qatnashadi? A) 140ta B) 50ta C) 160ta D) 180ta 17 / 25 17. 32 dan 62,4 necha foiz ortiq? A) 85 B) 95 C) 90 D) 89.5 18 / 25 18. 32.816.549 ko`paytma necha xonali son ? A) 37 B) 50 C) 46 D) 52 19 / 25 19. 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 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) 1670000 C) 1220000 D) 112000 21 / 25 21. 1dan 10 gacha bo’lgan sonlar ichida nechta mukammal son mavjud? A) 4ta B) 7ta C) 6ta D) 1ta 22 / 25 22. Kubning barcha qirralari yig’indisi36 sm. Kubning sirtining yuzini toping. A) 42 B) 27 C) 126 D) 54 23 / 25 23. tenglamadan x ni toping A) 7/5 B) 11/6 C) 5/4 D) 4/5 24 / 25 24. Qirqinchi va uch yuz yetmish oltinchi natural sonlar orasida nechta natural son bor? A) 335 B) 337 C) 336 D) 334 25 / 25 25. 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) 95 C) 99 D) 88 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
