2. Kamayuvchi 26 taga ortib, ayriluvchi 16 taga ortsa, ayirma qanday o’zgarad? 3

14. Hisoblang:

A) 1 B) 4 C) 6 D) 5

15. Tenglamani yeching: .

A) B) C) D)

16. Tenglamani yeching:

A) 1,3 B) 1,3(7) C) 1,(37) D) 1,(32)

17. Quyidagi sonlarning qaysi birini 12 ga bo’lganda 10 qoldiq, 24 ga bolganda 22 qoldiq, 36 ga bo’lganda 34 qoldiq qoladi?

A) 864 B) 960 C) 766 D) 101157

18. 1363, 1443, 1427 sonlarining har birini qanday natural songa bolganda, qoldiqlari bir xil bo’ladi?

A) 15 B) 17 C) 16 D) 19 E) 21

19. Aylananing vatari uni 4:6 kabi nisbatdagi yoylarga ajratadi. Kichik yoy necha gradus?

A) 144⁰ B) 72⁰ C) 144⁰ D) 140⁰

20. Ikkita to’g’ri chiziqning kesishidan hosil bo’lgan burchaklardan 3 tasining yig’indisi 200⁰.Ularning kattasi kichigidan necha foiz ortiq?

A)140% B)80% C)800% D)700%

21. Uzunligi 36 sm bo’lgan aylananing 20⁰ li yoyining uzunligi necha sm ga teng?

A) 2 sm B) 4 sm C) 5 sm D) 3 sm

22. O’ziga qo’shni bo’lgan burchakning qismiga teng burchakni toping .