33. 108 va 36 sonlarining yig`indisi 81 ta kamaytirildi va natijani 7 marta kamaytiring.
A) 8
B) 9
C) 10 D) 11
34. 63 va 28 sonlarining ko'paytmasi 49 marta kamaytirildi. Mos ifoda tuzing va natijani toping.
A) 63·28:49=36
B) 63·49:28=36 C) 63·28·49=8643 D) (63+28):49=36
35. Agar bo'linuvchi 4 marta orttirilsa, bo`luvchi esa 4 marta kamaytirilsa, bo'linma qanday
o'zgaradi?
A) 64 ta ortadi
B) 16 marta ortadi
C) 16 ta ortadi D) 32 ta ortadi
36. Agar kamayuvchi 15 ta orttirilib, ayiriluvchi esa 10 ta kamaytirilsa, ayirma qanday o'zgaradi?
A) 25 ta ortadi
B) 5 marta ortadi C) 16 ta ortadi D) 20 ta ortadi
37. 2 ta do'ppi va 4 ta ko'ylak birgalikda 6 000 so'm turadi. Ko'ylak do'ppidan 2 marta qimmat. Bitta
do'ppi va bitta ko`ylak necha so'm turadi?
A) 600, 1200
B) 500, 1000 C) 300, 600 D) 400, 800
38. Sobirning bir cho'ntagidagi pul ikkinchi cho'ntagidagi puldan 4 marta kam. Ikkala cho'ntagidagi
jami pul 150 so'm. Sobirning har bir cho'ntagida necha so'mdan pul bor?
A) 60, 90 B) 50, 100 C) 40, 110
D) 30, 120
39. Bir son ikkinchisidan 5 marta katta. Bu ikki sonning ayirmasi 48 ga teng. Shu sonlarni toping.
A) 75, 15
B) 60, 12
C) 66,18 D) 100, 52
40. 6 dm
2
5600 mm
2
= sm
2
ifodalang.
A) 6506 sm
2
B) 565 sm
2
C) 656 sm
2
D) 665 sm
2
41. 45 m
2
15 dm
2
= sm
2
ifodalang.
A) 451500 sm
2
B) 451500 mm
2
C) 45150 sm
2
D) 451500 dm
2
42. 453 sm
2
+12 dm
2
= mm
2
ifodalang.
A) 165300 mm
2
B) 165000 mm
2
C) 165350 mm
2
D) 165105 mm
2
43. Hisoblang. (27dm
2
52sm
2
+4m
2
)·2=
A) 85505sm
2
B) 85504 dm
2
C) 85504 sm
2
D) 85604 sm
2
Do'stlaringiz bilan baham: |