Kasr sonlar. Ratsional son ,,, kasrlarni bir−biriga tengligini ko`rsating. Kasrning turlari. To`g`ri kasr, noto`g`ri kasr, aralash son

Ratsional sonlar. Test−3

1. soni sonidan necha marta katta?
A) B) C) 1 D) 3 E) 9
2. bo`lsa, quyidagilardan qaysi biri to`g`ri?
A) c=3, a=2b B) c=3, a≠2b
C) c=3, a≠2b D) c≠3, a=2b
E) a=b=0, c=3
3.

Shaklda , , DE=2AB, DE=3 sm bo`lsa, AD necha birlik?
A) 9 B) 12 C) 14 D) 16 E) 18
4. kasrning qiymati butun son bo`ladigan x ning butun qiymatlari nechta?
A) 4 B) 5 C) 6 D) 7 E) 8
5. kasr aralash son bo`lsa, x quyidagilardan qaysi biriga teng bo`la olmaydi?
A) B) C) 1 D) E)
6. kasr to`g`ri kasr bo`lsa, x ning eng kichik natural qiymati nechaga teng bo`ladi?
A) 1 B) 2 C) 3 D) 4 E) 5
7. Qaysi sonning iga 45 qo`shilsa, iga teng bo`ladi?
A) 60 B) 75 C) 90 D) 120 E) 150
8. Sonning qismiga qo`shilsa, sonning o`zi hosil bo`ladi. Son nechaga teng bo`ladi?
A) 30 B) 25 C) 20 D) 19 E) 18
9. Butun sonning qismi o`zidan keyin kelgan sonning qismidan 5 ga ortiq. Bu son nechaga teng?
A) 35 B) 36 C) 40 D) 48 E) 54
10. 2,4 sonining necha prosenti 0,06 ga teng?
A) 2 B) 4 C) 2,5 D) 5 E) 25
11. Maxraji suratidan 2 ga ortiq bo`lgan kasrning surati 2 marta kamaytirilsa, maxrajiga 3 qo`shilsa birga teng bo`ladi. Bu kasrning surati nechaga teng?
A) 10 B) 8 C) 6 D) 5 E) 3
12. Maxraji suratining 2 martasidan birga ortiq kasrning suratiga 4 qo`shilsa, maxrajidan 2 ayrilsa kasrning qiymati ga teng bo`ladi. Bu kasrning surat va maxrajining yig`indisi nechaga teng?
A) 10 B) 11 C) 12 D) 13 E) 14
13. sonining suratidan qaysi sonni ayirib, maxrajiga qo`shsak, kasr hosil qilinadi?
A) 15 B) 25 C) 30 D) 20 E) 28
14. Surati maxrajidan 5 ga ortiq bo`lgan kasrning suratining kvadrati maxrajining kvadratidan 65 ga ortiq. Bu kasr nechaga teng?
A) B) C) D) E)