Biologiya [1]

Matematika [1]

14. 
    Dastlabki 20 ta sonlar ichida 8 soni bilan o‘zaro tub bo‘lgan sonlar nechta?
    

A) 10 B) 13 C) 9 D) 7

14. 
    b raqamining qanday qiymatlarida to‘rt xonali 65b6 son 9 ga karrali bo‘ladi?
    

A) 1 B) 2 C) 2 va 3 D) 5

14. 
    Aylana uzunligi 25,12 cmga teng. Aylana radiusini aniqlang (𝜋 = 3,14).
    

A) 6,28 cm B) 3,5 cm
C) 4 cm D) 3,14 cm

14. 
    Quyidagi tenglamadan “x” ni aniqlang. (53 – x) + 4 = 77 – 2x
    

A) 16 B) 18 C) 19 D) 20

14. 
    Burchaklarni o‘sish tartibida yozing.
    

A) S, P, R, Q B) Q, R, S, P
C) S, Q, R, P D) Q, R, P, S

14. 
    x ni toping.
    

A) 16 B) 24 C) 28 D) 32

14. 
    Ketma-ketlikning keyingi hadini aniqlang. 3 – 3 = 0, 3 – 2 = 1, 3 – 1 = 2, 3 – 0 = 3
    

A) 3 – 4 = -1 B) 3 – (-1) = -4
C) 3 – (-1) = 4 D) 4 – 3 = 1

14. 
    Ifodaning qiymatini toping: ^𝑝13 − ^𝑥17 + ^𝑦15 ;
    

bunda p = 2, x = 3, y = 4.
_𝑝11
_𝑥14
_𝑦13

A) 7 B) –7 C) 3 D) 5

14. 
    O‘xshash hadlarni ixchamlang. x – 2y – 3x + 5y
    

A) 4x – 7y B) 4x + 7y
C) 3y + 2x D) 3y – 2x

14. 
    Quyida berilgan qutiga eng ko‘pi bilan nechta kitob sig‘adi?
    

A) 10 B) 12 C) 16 D) 20