Agar ayniyat bo’lsa, yig’indi nechaga teng bo’ladi. A b c d 4 e 5

1. Agar ayniyat bo’lsa, yig’indi nechaga teng bo’ladi.

A) 7 B) 8 C) 6 D) 4 E) 5

2. bo`lsa, quyidagilardan qaysi biri har doim to`g`ri?

A) B) C) D) E)

3. ni soddalashtiring.

A) B) C) D)

4. Arifmetik progressiyaning dastlabki 3 ta hadi yig’indisi 15 ga teng. Agar ularga mos ravishda 1;3 va 9 ni qo’shsak hosil bo’lgan sonlar o’suvchi geometric progressiyanig dastlabki 3 ta hadini tashkil qiladi. Shu geometrik progressiyaning dastlabki 7 ta hadi yig’indisini toping.

A) 248 B) 408 C) 252 D) 508

5. Agar bo’lsa, ning qiymatini toping.

A) 65 B) 9 C) 54 D) -65

6. ko’phadning barcha koeffitsiyentlar yig’indisini toping.

A) 6 B) 8 C) 12 D) 10

7. Zarracha har minutda ikkiga ajraladi. Agar idishga 2 ta zarracha solinsa 1 soatda to’ladi. Dastlab 1ta zarrachasi bo’lgan shu idishning yarmi to’lguncha qancha vaqt ketadi.(min)

A)61 B)60 C)59 D) 30

8. Qo’shni burchaklardan biri ikkin-chisidan ga katta. Shu burchaklardan kichigini toping.

A) B) C) D)

9. bo’lsa, qiymatini toping.

A) B) C) 8 D) 16

10. Agar bo`lsa, a burchak qaysi chorakka tegishli?

A) II yoki III B) III yoki IV C) I yoki III D) I yoki II

11. Agar ayniyat bo’lsa, yig’indi nechaga teng bo’ladi.

A) 7 B) 8 C) 6 D) 4 E) 5

12. Tog`ri to`rtburchakning eni 40 % , bo`yi 30 % kamaytirilsa, uning yuzi necha protsentga kamayadi ?

A) 70 % B) 12 % C) 42 % D) 58 %.

13. ni hisoblang.

А) В) С) D)

14. 10 dan boshlab 75 dan katta bo’lmagan barcha natural sonlarni ko’paytirish natijasida hosil bo’lgan sonning oxirida nechta nol qatnashadi?

A) 15 B) 16 C) 17 D) 18 E) 14

15. 47890000 sonini standart shaklda yozilgan javobni toping? A) 4789 B) 4,7 C) 4,789 D) 47,89

16. Hadlari yig’indisi ifoda bilan berilgan ketma-ketlikning umumiy hadi formulasini toping.

A) B) C) D)

17. ABC uchburchakda AB=6, BC=7,AC=8 bo’lsa B burchak sinusini toping. A) B) C) D)

18. Teng yonli uchburchakning uchidagi burchagi 120° ga, shu uchidan tushirilgan balandlik esa 3 ga teng.Yon tomoni va asosining o’rtalarini tutashtiruvchi kesmaning uzunligini toping. A)1,5 B)3 C)2 D)4

19. ABC uchburchakda medianalar kesishgan nuqtadan AB tomongacha bo’lgan masofa 1 ga teng. Agar AB=8 bo’lsa, ABC uchburchak yuzini toping.

A)12 B)9 C)16 D)13

20. ABC uchburchakda va BC=14 ga teng bo’lsa, AB tomon uzunligini toping. A)28 B)12 C) 14 D)14