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

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