31. Uchburchak yuzini toping. A 54 b 60 c 64 d 120

31. Uchburchak yuzini toping.

A) 54 B) 60 C) 64 D) 120
32. Sayohatga chiqish uchun bir nechta sayohatchi 12 ming so’mdan yig’sa,12 ming yetmay qoladi.Agar 15 ming dan yig’sa 15 ming ortib qoladi. Sayohatchilar soni nechta ?
A) 10 B) 8 C) 7 D) 9
33. 3 ga ham 5 ga ham bo’linadigan ikki xonali toq sonlar nechta ?
A) 17 B) 20 C) 3 D) 18
34. Hisoblang!
A) B) C) D)
35. Quyidagilardan qaysi biri juft?
A) B) C) D)
36. Agar bo’lsa, ifodani qiymatini toping; bunda x=2021 y=2022
A) 4043 B) 4042 C) 4045 D) 0
37. Taqqoslang!
A) a>b>c B) a>c>b C) ab>a
38. Sistemani yeching va ni toping.

A) 20 B) 200 C) 100 D) 10
39. va 1 sonlari orasida maxraji 33 ga teng bo’lgan nechta qisqarmas kasr bor?
A) 4 B) 5 C) 6 D) 7
40. Hisoblang! 2:2(2+2)-2
A) 1 B) 2 C) 4 D) TJY
41. To’g’ri to’rtburchakning yuzi , eni esa 12dm ga teng.Shu to’rtburchakning perimetrini toping(sm).
A) 28 B) 36 C) 360 D) 280
42. A mulohaza “ ” , B mulohaza esa “ 7 ning har qanday darajasi 7 bilan tugaydi”. Ushbu mulohazalar asosida to’g’ri jaavobni toping.
A) A yolg’on va B rost B) A va B yolg’on
C) A rost va B yolg’on D) A va B rost
43.Soddalashtiring!
A) -2abc B) 0 C) -2bc D) 2ac
44.Quyidagilardan qaysi biri 1 ga teng!
A) B) C) D)
45. x ning qiymatini toping.

A) 5 sm B) 7dm C) 5 dm D) 8sm