Test B: Matematika

Test B: Matematika

1. 48 sonining barcha natural bo‘luvchilari yig‘indisini toping.
A) 123 B) 100 C) 108 D) 124
2. To‘rt xonali 2a3b soni soni 3 va 5 ga qoldiqsiz bo‘linsa, a nechta qiymat qabul qilishi mumkin?
A) 9 B) 6 C) 4 D) 3
3. Agar kamayuvchi 16 ta va ayriluvchi 20 ta orttirilsa, ayirma qanday o‘zgaradi?
A) 4 ta kamayadi B) 36 ta ortadi C) 36 ta kamayadi D) 4 ta ortadi
4. 3,(7) ni oddiy kasr ko‘rinishida yozing.
A) 3 B) 3 C) 3 D) 3

5. 
   Hisoblang.
   

A) 20 1

B) 62

C) 110

D) 218

2

5. 
   ²_=?
   

5 2_
A) B) 1 C) D)

7. 31736 5127 : 92  263 413 1  ? 

8. Hisoblang.		6,5^22,3^2 3,2^21,2^2
A) 1,3		B) 2,7	C) 3,2		D) 4,2

A) –9 B) 8 C) 9 D) –10
9. x∙y ko‘paytmada har bir ko‘payuvchi 1 ga orttirilsa, ko‘paytma qancha ortadi?
A) 1 B) x+y+1 C) –x–y+1 D) x–y+1
10. x⁴+x²+1 ni ko‘paytuvchilarga ajrating

11. Hisoblang.		721  723 725 710  78 76
A) 7^31	B) 730	C) 729		D) 727

A) (x²+x+1)(x²+x–1) B) (x²+x+1)(x²–x+1) C) (x²+x+1)(x²–x–1) D) (x²+x+1)(–x²+x–1)

12. 2,5  14,4 ko‘paytmani hisoblang.
A) 15 B) 12 C) 10 D) 6
13. Quyidagilardan qaysi biri irratsional?

⁵7 a  243; b :2 7
8
A) a va d B) b va c C) b, c va d D) a, b va c

14.  3 5 8 2 15  ni hisoblang.

A) –4 B) –3 C) –2 D) 22

15. ³ a a_ ⁵ sonining a a_ ^{5 1} soniga nisbatini toping.
A) 1 B) 2 C) 3 D) a

16. Tenglamani yeching. 120:(150–1000:x)=2,4
A) 6 B) 10 C) 8 D) 50
17. x x²   12 0 tenglamaning katta ildizini kichik ildiziga nisbatini toping.
A) _ B) _ C) D) 2

18. Quyidagi chizmada x=y+z+30 bo’lsa, x necha gradus?
A) 60 B) 70 C) 90 D) 80
o kam bo‘lsa, kichik
19. Qo‘shni burchaklardan biri ikkinchisining 3 martasidan 20 burchakni toping.
A) 50 B) 80 C) 100 D) 120

20. Rasmda d₁//d₂ bo’lsa, x=?
A) 100 B) 140 C) 120 D) 130
21. 3x=4y=6z _bo‘lsa, ^{x y z } nisbatni toping. x y z 
A) B) 2 C) D) 3
x y 1
22. ^_1 1 1 bo‘lsa, x∙y ko‘paytmani toping.
 x y  6

A) 6 B) 3 C) –3 D) –6 _{A E B}

23. Ko‘pburchakning ichki burchaklarining yig‘indisi tashqi burchaklari yig‘indisidan 4 marta katta bo‘lsa, bu ko‘pburchakning nechta tomoni bor?
A) 6 B) 7 C) 8 D) 10 D_C
24. Yondagi to‘g‘ri to‘rtburchakda, |BC|=8 cm |DC|=6 cm |EB|=2 cm, |EF|=5 cm bo‘lsa, maxsus bo‘yab qo‘yilgan sohaning yuzi necha cm²
A) 13 B) 26 C) 30 D) 32
25. Rasmdagi ABCD to‘g‘ri burchakli trapetsiyada |AB|=15 cm, |AD|=6 cm, |BC|=14 cm va
2?
3|AE|=2|EB| bo‘lsa, bo‘yalgan sohaning yuzasi necha cm
A) 69 B) 75 C) 84 D) 98
26. To‘rtta nuqta aylanani 0,5; 1,5; 2,5; 5,5 sonlariga proporsional yoylarga ajratadi. Shu nuqtalarni ketma-ket tutashtirish natijasida hosil bo‘lgan to‘rtburchak diagonallari orasidagi katta burchakni toping.
A) 54 B) 72 C) 108 D) 126
27. Tomonlari 5, 6, 7 cmga teng bo‘lgan uchburchakning 6 cm li tomoniga tushirilgan balandlikni qidirib topinglar.

A) ⁶₇⁶ B) 1 C) 6 D) 2 6
28. ABC uchburchakda AD bissektrissa. ACB burchak 80^o, ADB burchak 120^o bo‘lsa, ABC burchakning qiymatini toping.
A) 10 B) 20 C) 30 D) 40

29. To‘g‘ri burchakli uchburchakning uzunligi 14 va 18 ga teng katetlariga tushirilgan medianalari uni uchta uchburchak va to‘rtburchakka ajratadi. To‘rtburchakning yuzini top
A) 48 B) 42 C) 56 D) 72

30^. x² 4 x 1  0 tenglamaning ildizlari yig‘indisini toping.
A) 3 B) 0 C) 1 D) 2
2-test

Test B: Matematika

1. Agar ikki xonali sondan o’zining raqamlari yig’indisi ayrilsa, xuddi shu raqamlar bilan teskari tartibda yozilgan son hosil bo’ladi. Shu ikki xonali sonni toping.
A) 36 B) 65 C) 45 D) 24

2. 
   Tengsizlik yechimlari ichidan qaysilari 9 ga karrali bo`ladi : 81_{ }x 99? A) 81, 88 va 99 B) 82, 90 va 99 C) 81, 85 va 90 D) 81, 90 va 99
   

2. 
   Dastlabki 20 ta sonlar ichida 8 soni bilan o`zaro tub bo`lgan sonlar nechta?
   

A) 10ta B) 13ta C) 9ta D) 7ta
4. b raqamining qanday qiymatlarida to`rt xonali 65b6 son 9ga karrali bo`ladi?
A) 1 B) 2 C) 2 va 3 D) 5
5. 4 va 3 sonlari ko`paytmasiga teskari sonni yozing.
A) B) C) D)
6. Aylana uzunligi 25,12 cmga teng. Aylana radiusini toping. ( =3,14)
A) 6,28cm B) 3,5cm C) 4cm D) 3,14cm
7. Uchburchakning bir tomoni 8,9 cm, ikkinchi tomoni undan 3,2 cm qisqa. Agar shu uchburchakning uchinchi tomoni x natural sonda ifodalansa, u qanday qiymatlar qabul qilishi mumkin?

1. 
   x = 6; 7; 8;9; 10;11;12 bo’lishi mumkin
   
2. 
   x = 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14 bo`lishi mumkin.
   
3. 
   x = 7; 8; 9; 10; 11; 12; 13; 14 bo`lishi mumkin
   
4. 
   x = 11; 12; 13; 14 bo`lishi mumkin
   

8. Tenglamani yeching: (53,725 -x) + 4,56 = 24,854 - 12,604;
A) 46,07 B) 47,087 C) 48,076 D) 46,035
9. Men bir son o'yladim, unga 1,5 ni qo'shdim, yig'indidan 4,8 ni ayirdim, natijani 2ga bo’ldim va 9,5 ni qo'shdim. Yig'indidan 4,8 ni ayirgan edim, 7,2 chiqdi. Men o'ylagan sonni toping.
A) 23,9 B) 15,8 C) 18,7 D) 27,1
10. Sayyoh mo'ljallangan yo'lni 4,2 soatda bosib o'tdi. Bu vaqtning 2 soatini 5,23 km/h tezlik bilan, qolgan vaqtini esa 4,6 km/h tezlik bilan yurdi. Sayyohning o'rtacha tezligini toping.
A) 4,9 km/h B) 5,2 km/h C) 10,8 km/h D) 6,12 km/h
11. Kater (motorli qayiq)ning turg'un suvdagi tezligi 18,5 km/h. Daryo oqimining tezligi 2,8 km/h ga teng. Katerning daryo oqimi bo'yicha va oqimga qarshi tezligini toping.
A) 22,4 km?soat , 16,7 km/h
B)13,7 km/h, 17,9 km/h

3. 
   31,8 km/h, 12,7 km/h
   
4. 
   21,3 km/h, 15,7 km/h.
   

12. a+b=25 bo’lsa, (2a+2b):5+4 ning qiymatini toping.
A) 14 B) 25 C) 16 D) 8