1 55 dan katta bo`lmagan barcha natural sonlarning ko`paytmasi nechta nol bilan tugaydi?


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1) 55 dan katta bo`lmagan barcha natural sonlarning ko`paytmasi nechta nol bilan tugaydi?

A) 12 B) 14 C) 11 D) 13

2) Parallelogramm qo`shni tomonlarining yig`indisi 10 ga, ayirmasi esa 8 ga teng. Shu parallelogramm dioganallari kvadratlarining yig`indisini toping.

A) 144 B) 164 C) 121 D) 136

3) Radiusi R ga teng bo`lgan aylanadagi nuqtadan uzunliklari R ga teng bo`lgan ikkita vatar o`tkazildi. Vatarlar orasidagi burchakni toping.

A) 600 B) 450 C) 1200 D) 1350

14) 24 sonining barcha natural bo`luvchilari yig`indisini toping?

A) 48 B) 60 C) 124 D) 108

15) (2x-1)(x-1,5)=0 bo`lsa, 2x-1 qanday qiymatlar qabul qiladi?

A) faqat B) 2 yoki 0 C) 0 yoki 1,5 D) 0 yoki

16).Hisoblang. A) - B) - C) - D) -

7) To`g`ri burchakli uchburchakning katetlari 5 va 7,5 ga teng. To`g`ri burchak bissektrisasining uzunligini toping. A) 3 B) 4 C) 3+3 D) 5

8) To`g`ri to`rtburchakning to`g`ri burchagi uchidan uning dioganallariga tushirilgan perpindikulyar to`g`ri burchakni 3:2 kabi nisbatda bo`ladi. Shu perpendikulyar bilan boshqa dioganal orasidagi burchakni toping.

A) 720 B) 22,50 C) 180 D) 450

9) Doira va kvadratning perimetrlari teng. Kvadrat yuzining doira yuziga nisbatini toping.

A) B) C) D)



10) .>0 tengsizlikni yeching A) B) C) D)

31) ABC uchburchak berilgan va BC tomonga AD to`g`ri chiziq o`tkazilgan.va bo`lsa, ABC uchburchak yuzini toping.

A) B) C) D)

33) x2-mx+0,512=0 tenglamaning ildizlaridan biri ikkinchisining kvadratiga teng bo`lsa , m=?

A) 0,8 B) 0,64 C) 1,22 D) 1,44

34)


35) Tenglamaning ildizlari yig`indisini toping ?

A)-2 B) 1 C) 0 D) 2
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