MATEMATIKA
1. Simdan eni 12 cm, bo‘yi 14 cm va balandligi 8 cm bo‘lgan to‘g‘ri burchakli parallelepiped(qirralari)
yasalgan. Buning uchun necha santimetr sim ishlatilgan?
A) 153
B) 119
C) 102
D) 136
2. Sardor "Men uyga ketdim" gapining har bir so‘zidagi harflar sonini o‘zaro ko‘paytirdi. U qanday natija
olgan?
A) 72
B) 30
C) 60
D) 36
3.
4. 3; 8; 13; 18; . . . arifmetik progressiyaning nechta hadi 500 dan kichik?
A) 99
B) 100
C) 101
D) 102
6. Javonda 11 ta turli kitob bor. Diyora javondan ixtiyoriy 6 ta kitobni necha xil usulda tanlab olishi
mumkin?
A) 792
B) 396
C) 462
D) 924
9. a = 12 va b = 32 bo‘lsa, EKU B(a; b) * EKU K(a; b) ni hisoblang.
A) 387
B) 386
C) 385
D) 384
10. x=1 to‘g‘ri chiziqqa nisbatan y = −8x + 3 chiziqli funksiyaga simmetrik bo‘lgan funksiyani toping.
A) y = 8x − 13
B) y = −8x + 5
C) y = −8x − 13
D) y = 8x − 5
11. Uchlari S(1; 1; 1), A(4; 1; 1), B(1; 4; 1) va C(1; 1; 4) nuqtalarda bo‘lgan muntazam uchburchakli
piramidaning hajmini toping.
A) 32/3
B) 4
C) 4,5
D) 5
12. Agar a = 1 + 3 + 5 + . . . + 45 va b = 2 + 4 + 6 + . . . + 44 bo‘lsa, a + b − 10 ni hisoblang.
A) 1081
B) 1035
C) 1025
D) 1071
13.
14. f (x) = 9x + b funksiya b ning qanday qiymat(lar)ida juft funksiya bo‘ladi?
A) b < 0
B) b = 2n, n ∈ N
C) b > 0
D) b ning hech qanday qiymatida
15. 10 ga bo‘lganda 5 qoldiq qoladigan uch xonali sonlar nechta? (raqamlari takrorlanishi mumkin)
A) 64
B) 81
C) 90
D) 810
17. Agar sin x = A va cos x = B bo‘lsa, A*A + B*B ning qiymatini toping.
A) 0
B) cos 2x
C) −1
D) 1
18. O‘nikkiburchakli prizmaga ko‘pi bilan nechta diagonal kesim o‘tkazish mumkin?
A) 72
B) 108
C) 54
D) 96
19.
20.