2–bob. Butun va ratsional sonlar butun sonlar ustida amallar

2. Koordinatalari 1,2 va 6,5 bo’lgan sonlar orasida nechta butun son bor?

A) 6 B) 9 C) 7 D) 8

3. (35):7725:(25)(91):(7) ifodaning qiymati 3 dan qancha katta?

A) 11 B) 29 C) 18 D) 8

4. bo’lsa, yig’indining qiymatini toping.

A) 8900 B) 10200 C) 12900 D) 13090

5. bo’lsa, 26a28b45 ni toping.

A) 16 B) 15 C) 15 D) 16

6. To’g’ri javobni ko’rsating. Bu yerda [a]a sonning butun qismi.

A) agar bo’lsa,

B) agar bo’lsa,

C) agar bo’lsa,

D) agar bo’lsa,

7. ifodaning barcha natural qiymatlarining o’rta arifmetik qiymatini toping.

A) 7 B) 7,5 C) 8 D) 8,5

8. Qaysi son yarmining qismidan 3 ni ayirsa, 7 ga teng bo’ladi?

A) 36 B) 45 C) 54 D) 72

9. ni hisoblang. Bu yerda [a]a sonning butun qismi.

A) 100 B) 120 C) 125 D) 140

10. Agar uch xonali natural sonlar yig’indisi 777 ga teng bo’lsa, ni toping.

A) 7 B) 6 C) 8 D) 2

11. tenglikda x va y sonlar 5 dan kichik natural sonlar bo’lsa, y ning qiymatini toping.

A) 1 B) 3 C) 4 D) 0

12. x, y, z butun sonlar bo’lib, va bo’lsa, x, y, z sonlarni o’sish tartibida joylashtiring.

A) x,y,z B) z,y,x C) y,x,z D) y,z,x

13. a,b,c musbat butun sonlar uchun tengliklar bajarilsa, x uch xonali sonning eng katta qiymatini toping.

A) 999 B) 944 C) 945 D) 976

14. Juft sonning o’zidan keyin keluvchi juft sonning uchlangani bilan yig’indisi 70 dan kichik. Ushbu shartni qanoatlantiruvchi juft sonlardan eng kattasini toping.

A) 12 B) 16 C) 14 D) 8

15. [0;300] kesmada 3 ga bo’linganda qoldiq 1 ga, 4 ga bo’linganda qoldiq 2 ga, 5 ga bo’linganda qoldiq 3 ga va 6 ga bo’linganda qoldiq 4 ga teng bo’ladigan natural sonlar nechta?

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

16. Agar ikkita tub sonlar yig’indisi yana tub son bo’lsa, bu sonlar ko’paytmasi qanday son bo’ladi?

A) toq B) juft C) tub D) BJT

17. Nechta p tub son uchun ifoda ham tub son bo’ladi?

A) 1 B) 2 C) 3 D) 4