1. Sonlarni kamayish tartibida yozing: a=1,708; b=0,98; c=4,708; d=0,99

1. Sonlarni kamayish tartibida yozing:
a=1,708; b=0,98; c=4,708; d=0,99
A) c> a>d>b B) b>d>a>c C) bd>c>b
2. Hisoblang:

A) 0,4 B) 0,8 C) 0,45 D) 1
3. Quyidagi oddiy kasr ko’rinishida berilgan sonlardan qaysilarini chekli o’nli kasr ko’rinishiga keltirib bo’lmaydi?

A) 1;2 B) 1;3 C) 3;4 D) 1;4
4. 8ta sonning o’rta arifmetigi 12ga teng, bu sonlardan bittasini o’chirsak qolgan 7ta sonning o’rta arifmetigi 13ga teng bo’ladi. O’chirilgan sonni toping.
A) 5 B) 7 C) 1 D) 13
5. Savdogar sotuvdagi maxsulotning 15%ini 1-xaridorga, 20%ini 2-xaridorga, qolganining 40%ini 3-xaridorga sotib yubordi. Shundan so’ng sotuvchida maxsulotning qancha qismi qoldi? (%)
A) 25 B) 40,8 C) 30 D) 39
6. 3 t 25 sr 92 kg ni tonnalarda ifodalang.
A) 3,2592 B) 5,592 C) 3,342 D) 6
7. 9, 10, 22 va 25 sonlari yordamida nechta o’zaro tub sonlar juftini hosil qilish mumkin?
A) 2 B) 3 C) 4 D) 6
8. Hisoblang: 20-19+18-17+...+4-3+2-1=
A) 8 B) 10 C) 15 D) 20
9. Proporsiyaning noma’lum hadini toping

A) 0,(3) B) 1/6 C) 0,3 D) 0,33
10. Ifodaning qiymatiga teskari sonni toping:
A) 16/89 B) 89/16 C) 5 D) 1/5
11. Quyidagi sonlar jufti uchun EKUK ni toping
660, 780
A) 780 B) 60 C) 8580 D) 120
12. Faqat tub sonlar berilgan qatorni toping
A) 2, 3, 4, 11, 181 B) 2, 3, 17, 47, 87
C) 1, 3, 19, 23, 29 D) 5, 7, 47, 97, 107
13. Hisoblang:

A) 58395 B) 46372 C) 12023 D) 492943
14. 720, 1440, 2160 va 1080 sonlarining umumiy bo’luvchilari sonini toping.
A) 12 B) 20 C) 24 D) 6
15. Kvadratning yuzi 36 ga teng. Yuzi shu kvadrat yuzidan ikki marta katta va eni 9 ga teng bo’lgan to’g’ri to’rtburchakning bo’yini toping.
A) 12 B) 9 C) 6 D) 8