1. 1dan 100 gacha bo`lgan sonlar orasida 3ga ham, 5ga ham bo`linmaydiganlari nechta?
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Matеmatika
Matеmatika №1 1. 1dan 100 gacha bo`lgan sonlar orasida 3ga ham, 5ga ham bo`linmaydiganlari nechta? a) 53 b) 52 c) 51 d) 50 2. 15 va 25 sonlari Ekuk ining natural bo`luvchilari nechta? a) 6 b) 5 c) 4 d) 7 3. Agar kamayuvchi 24 ta va ayriluvchi 36 ta kamaytirilsa, ayirma qanday o`zgaradi? a) 12 ta ortadi b) 12 ta kamayadi c) o`zgarmaydi. d) 6 ta ortadi
a) 5 b) 6 c) d) 5. Otasi 40, o`g`li 16 yoshda. Necha yildan keyin otasi o`g`lidan 2 marta katta bo`ladi? a) 8 b) 7 c) 6 d) 5 6. Matematikadan o’tkazilgan imtihonda o’quvchilarning 12% i birorta ham masalani yecha olmadi. 345 ta o’quvchi masalalarni yechishda xatolikka yo’l qo’ydi. Agar barcha masalalarni to’liq yechgan o’quvchilarning masalalarni umuman yecha olmagan o’quvchilarga nisbati 7:3 kabi bo’lsa, qancha o’quvchi imtihon topshirgan? a) 575 b) 420 c) 760 d) 770 7. Hisoblang:1-2+3–4+5–6 +…+ 99–100 a) -50 b) – 5050 c) 50 d) 5050 8. Ishchi bir kunda reja bo`yicha 40 ta detal tayyorlashi kerak edi. U esa bir kunda 38 ta detal tayyorladi. Ishchi rejasini necha prosentga bajargan? a) 95% b) 90% c) 92% d) 94% 9. To`g`ri to`rtburchakning perimetri 30m ga, yuzi esa 56m2 ga teng. Uning bo`yi enidan necha metr uzun? a) 1 m b) 2 m c) 2,5 m d) 1,5 m 10. Ikki sonning yig`indisi 18ga, ularning ko`paytmasi esa 65ga teng shu sonlarni toping. a) 15 va 3 b) 16 va 2 c) 14 va 4 d) 13 va 5 11. Hisoblang. a) 2 b) 3 c) 4 d) 1 12. Arifmetik progressiyaning birinchi va beshinchi hadlari yig`indisi ga, uchinchi va to`rtinchi hadlarining ko`paytmasi esa ga teng. Shu progressiyaning dastlabki o`n yettita hadining yig`indisini toping. a) b) c) d) 13. Tenglamani yeching. a) 0 b) 1 c) -2 d) 3 14. Tenglamalar sistemasini yeching. a) (-1,2), (2, -1) b) 1, 2 c) 3, 4 d) 2, 3 15. To`g`ri burchakli uchburchakka ichki chizilgan aylananing urunish nuqtasi gepotenuzani 5sm va 12sm uzunlikdagi kesmalarga bo`ladi. Uchburchakning katetlarini toping. a) 8, 15 b) 3, 4 c) 2, 3 d) 7, 8 16. To`g`ri burchakli uchburchak gepatenuzasining medyanasi m ga teng va u to`g`ri burchakni 1 : 2 nisbatda bo`ladi. Uchburchakning tomonlarini toping. a) b) c) 5m, m 4m d) 3m, m 4m
a) b)c) d) 18. Tengsizlikni yeching. a) b) c) (5; 8) d) (2; 5) Matеmatika №2
a) 0,125 b) 0,008 c) 0,08 d) 0,09 2. Funksiyaning aniqlanish sohasini toping. a) b) (-3; 12) c) (2; 7) d) (3; 10)
a) 3r b) 2r c) 4r d) 5r 4. Quyidagi tengsizliklardan qaysilari x ning barcha qiymatlarida o’rinli? (x+6)(x+3)>(x+5)(x+4) (x–3)(x–4)>(x–2)(x–5) 9x2+16>24x (x–5)(x–6)>(x–3)(x–8) a) 2; 4 b) 1;3 c) 1; 4 d) 2; 3 5. 2cos6x+ =0 tenglamani yeching a) b) c) d)
a) 26700 b) 35500 c) 31905 d) 21360 7. Agar x>y, bo’lsa, quyidagilardan qaysi biri doimo o’rinli bo’ladi? a) b) c) d)
a) log27 b) 2 c) 1 d) - log27 9. , - va vektorlar orasidagi burchak, ctg2 ni hisoblang. a) b) c) d) 10. cos2x-cosx+10 tengsizlik ning qanday qiymatlarida o’rinli? a) b) c) d)
a) b) c) d) To’g’ri javob keltirilmagan 12. x2-12x-23 parabola uchining koordinatalari ko’paytmasini toping. a) -354
b) 53 c) -53
d) 354 13. Ildizlari x2-14x+48=0 tenglamaning ildizlariga teskari bo’lgan kvadrat tenglama tuzing. a) 48x2-14x+1=0 b) 48x2+14x-1=0 c) 48x2+14x+1=0 d) 48x2-14x-1=0 14. ni soddalashtiring. a) b) c) 0 d)
a) b=-14; c=34 b) b=34; c=-14 c) b=34; c=14 d) b=14; c=34
a) b) 0 c) 1 d) 17. Juft funksiyalarni toping. , , , , a) b) c) d) 18. Agar va bo’lsa, ning qiymatini toping. a) b) c) d) Sifatli dars Download 103.39 Kb. Do'stlaringiz bilan baham: |
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