9-sinf
1. Hisoblang:
(-5)*(-2020+2019-2018+2017-2016+2015-……-2+1)
A) -5050
B) 5050
C) 10100
2. Ifodaning qiymatini toping:
4
+
4
+
4
2∗4 4∗6 6∗8
+…….+
4
2018∗2020
A) 1009/1010
B) 2019/1010
3.Hisoblang:
1
49
3
9
81
√7
C) 2000/2020
(3 )2 *( )−3:( )8
A) 18
B) 32
C) 16
4. Agar g(s)=3s+5 va f(x)=12x+3 bo’lsa, g(f(x)) ning qiymatini toping?
A) 36x+14
B) 36x-4
C) 36s+14
5. Ko’paytuvchilarga ajrating:
2𝑥 4 +16𝑥 3 +18𝑥 2 -76x-80
A) (x-5)(2x-4)(x+4)(x+1)
B) (x+5)(2x-4)(x+4)(x+1)
C) (x+6)(2x-5)(x+4)(x+1)
6. Tenglamalar sistemasini yeching:
X+y-z=2
2x+3y+4z=-2
A) (1;0;1)
x-2y+z=0
B) (1;2;-1)
C) (1;0;-1)
7. 3sina=4cosa bo’lsa, ctga ning qiymatini toping?
A) ¾
B) 4/3
C) 1
8. 3800 ning bo’luvchilari yig’indisi va bo’luvchilari soni ayirmasini
toping?
A) 9286
B) 9276
C) 9296
9. x ning qiymatini toping?
2log 9 √𝑥-log 9(6𝑥 − 1)=0
A) 0,2
B) -0,2
C) 0,5
10. 𝑋 2 -X+2020=0 tenglamaning ildizlari a va b gat eng bo’lsa, ildizlari
a/b va b/a bo’lgan tenglaman tuzing?
4039
A) 𝑥 2 +
4039
B) 𝑥 2 -
+1=0
2020
x+1=0
2020
C) 𝑋 2 -X+1=0
11. Teng yonli trapetsiyaning kichik asosi 12 ga, balandligi 8 ga,
perimetri 56 ga teng bo’lsa, uning yon tomonlari uzunliklarini toping?
A) 6
B) 8
C) 10
12. Teng tomonli oltiburchakning 1 ta burchagini toping?
A)120
B) 80
13. 2588
A) 0
C) 60
ni 4 ga bo’lgandagi qoldiqni toping?
B) 3
C) 1
14. ABCD rombning perimetri 40 sm ga teng. Uning AC diagonali 12
sm ga teng bo’lsa, rombning yuzasini toping?
A) 96
B) 192
C) 48
15. Agar bugun yakshanba bo’lsa, 2020 kundan keyin haftaning qaysi
kuni bo’ladi?
A) Seshanba
B) Chorshanba
C) Payshanba
16. Teng yonli trapetsiyaning kichik asosi 20 ga, katta asosi 30 ga,
yon tomoni 13 ga, balandligi 12 ga teng bo’lsa, uning diagonali
uzunligini toping?
A) √769
1 1
B) 796
1
1
C) 16
17. + + + +…..+
8 24 48 80
A) 2022
B) 2018
1
=
505
𝑛(𝑛+2) 2022
bo’lsa, n ning qiymatini toping?
C) 2020
18. MATHS+LIFE=NUMBER 𝑇 𝑈 +𝑁 𝑆 +M=?
A) 11
B) 10
C) 9
19. Shakldagi uchburchaklar sonini toping?
A) 8
B) 27
C) 28
20. Ketma-ketlikdagi keyingi sonni toping?
1
4
A) 70
6
11
B) 80
21
38
C) 49
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