Sonining oxirgi raqamini toping. A b c d 7

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1. sonining oxirgi raqamini toping.
A) 3 B) 0 C) 5 D) 7
2. 17827516 quyidagi sonlardan qaysi biriga qoldiqsiz bo’linadi?
A)3 B)10 C)4 D)5
3. Agar kamayuvchi 24 ta va ayriluvchi 36 ta kamaytirilsa, ayirma qanday o`zgaradi?
A) 12 ta ortadi B) 12 ta kamayadi C) o`zgarmaydi D) 6 ta ortadi
4. Otasi 40, o`g`li 16 yoshda. Necha yildan keyin otasi o`g`lidan 2 marta katta bo`ladi?
A) 8 B) 6 C) 5 D) 7
5. Hisoblang. 3, 2(62) − 1, (15)
A) 2, 2(47) B) 2, 247 C) 2, (12) D) 2, (1)
6 . tengsizliklar sistemasini yeching.
A) [2;5] B) [-5;2] C) (-5;5] D) [-2;5]
7. Ildizning qiymatini toping:
A) B) C) D)
8. Tengsizlikni yeching: 3(х-4) < 3 – 2 (х + 6).
A) B) x < 0,6 C) x > 2 D) -2 <
9. Agar m>3, n>5 va k<6 bo’lsa, 3m + 5n – 2k ning eng kichik butun qiymatini toping.
A) 13 B) 22 C) 23 D) 14
10. 25, 3, 14, x, 18, 8, 21 sonlariningo`rta arifmetigi 13 ga tengbo`lsa, x ni toping.
A) 2 B)1 C) 3 D) 4
11. 1, 2, 3 raqamlari yordamida yozilgan turli raqamli barcha 3 xonali sonlar yig`indisini toping.
A) 1332 B) 2133 C) 1233 D) 3213
12. y; 2, 1; 3 va 2, 1 sonlarining o’rta arifmetigi 2, 3 ga teng. y ni toping.
A) 2,1 B) 2,6 C) 2 D) 3,4
13. Sayyohlar xaritada 15 sm ga teng bo`lgan masofani bosib o`tishdi. Xaritaning mashtabi bo`lsa, haqiqiy masofa necha km bo`lgan?
A) 45 km B) 4,5 km C) 450 km D) 0,45 km
14. Agar bo`lsa, ni soddalashtiring.
_A) B) C) D)
15. Tenglama ildizlari yig`indisini toping. |x­–2|=4
A) 5 B) 2 C) –2 D) 4