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Matematika attestatsiya №4

InfoMaster

Yanvar 21, 2022

62 Ko'rishlar 1 izoh

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1 ovozlar, 1 avg

Matematika fanidan attestatsiya savollari №4

1 / 40

ni qanoatlantiruvchi yechimlar nechta?

A) 2

B) 3

C) 1

D) 0

2 / 40

$cos6x-4cos2x<0$ tengsizlikni yeching.

A) 2

B) 3

C) 4

D) 1

3 / 40

Merganning nishonga tekkizish ehtimoli 0,8 ga teng. U ishonga 2 marta o‘q uzganda o‘qlardan biri nishonga tegishining ehtimolligini toping.

A) 0,8

B) 0,32

C) 0,5

D) 0,16

4 / 40

ko’paytmani hisoblang.

A) 86420000

B) 0

C) 10000

D) 480000

5 / 40

Agar ni hisoblang.

A) 9

B) 8

C) Cheksiz

D) 0

6 / 40

Qadam uzunligi deb biricnhi iz tovon oxiridan ikkinchi iz tovon oxirigacha bo'lgan masofaga aytiladi. Erkak kishi yurayotganda uning qadami va qadamlar soni orasidagi bog'lanish quyidagi formula bilan ifodalanadi: (n/P) = 140. Bu yerda n – bir minutdagi qadamlar soni. P – qadam uzunligi (m). Hikmat 1 minutda 70 qadam bossa, formula yordamida uning qadami uzunligini toping.

A) 0,9 m yoki 90 cm

B) 0,5 m yoki 50 cm

C) 0,6 m yoki 60 cm

D) 0,7 m yoki 70 cm

7 / 40

Bir odam shunday vasiyat qildi: “Naqd 10 dirham pulim bor. Bir kishiga qarz ham berganman. Qarzning miqdori o'g'lim oladigan merosga teng. Ikkala o'g'lim barobar meros olishsin. Ukamga jami merosning 0,2 qismini va yana 1 dirham beringlar”. U kishining o'g'illari necha dirhamdan meros olishgan?

A) 8

B) 25/3

C) 35/6

D) 6

8 / 40

Uchlari A(4;5;1), B(2;3;0) va C(2;–1;–3) nuqtalarda joylashgan uchburchakning BD medianasi uzunligini toping.

A) 2

B) 1

C) √3

D) √2

9 / 40

f(x)=3^x-2 funksiyaning qiymatlar sohasini toping.

A) (-1; ∞)

B) (-2; ∞)

C) (0; ∞)

D) [-1; ∞)

10 / 40

a va b raqamlar yig'indisi 7 ga qoldiqsiz bo'linadi. Agar ko'rinishdagi uch xonali sonlarning 7 ga bo'lganda bir xil qoldiq qolsa, shu qoldiqni toping.

A) 4

B) 6

C) 0

D) 2

11 / 40

Quyida berilgan ko`rinishda mashinadan yuknitushurish uchun necha metr taxta kerak ?

A) 14

B) 12

C) 13

D) 11

12 / 40

n ning qanday qiymatida tenglik to`g`ri bo’ladi? (7³)=7¹⁵

A) 12

B) 1

C) 5

D) 7

13 / 40

AM||KL , ∠BCD=70°,∠CDE=40°, ∠DEF =45°,∠EFG=80°, ∠FGK=70°∠MBC=x ga teng bo`lsa x ni toping ?

A) 30°

B) 40°

C) 10°

D) 20°

14 / 40

Quyida berilgan shakillar ichidagi sonlar yig`indisi nolgateng bo`lishi uchun . Nechanchi shakilni olib tashlash kerak?

A) 1

B) 3

C) 4

D) 2

15 / 40

Hisoblang 200−199+198−197+⋯+4−3

A) 99

B) 100

C) 98

D) 101

16 / 40

Ayniyatdan foydalanib x + y + z ni toping:

A) 12

B) 6

C) 3

D) 9

17 / 40

Agar bo‘lsa, m/n ni toping.

A) 4

B) 3

C) 2

D) (1+√5)/2

18 / 40

Dastlabki n ta hadining yig‘indisi formula bilan aniqlanadigan arifmetik progressiyaning 6-hadini toping.

A) 6

B) 10

C) 8

D) 9

19 / 40

Hisoblang:

A) 0

B) 6

C) 8

D) 4

20 / 40

Agar x =17 bo‘lsa, quyidagi ifodaning qiymatini toping.

A) -4

B) √17

C) -√17

D) 4

21 / 40

Agar bo'lsa, ni m orqali ifodalang.

A) (m+1)/2

B) (m+4)/4

C) 2/m

D) (4-m)/4

22 / 40

ABC o‘tkir burchakli uchburchakda sinA=4/5 va sinB=15/13 bo'lsa, sinC ni qiymatini toping.

A) 40/63

B) 36/65

C) 48/65

D) 56/65

23 / 40

Uchburchakning 3 va 4 ga teng bo‘lgan tomonlariga o‘tkazilgan medianalar o‘zaro perpendikulyar bo‘lsa, bu uchburchakning uchinchi tomonini toping.

A) √5

B) 2,5

C) √6

D) 2,4

24 / 40

f(3x)=x+f(3x-3) va f(3)=1 bo'lsa, f(300) nechaga teng?

A) 3600

B) 5050

C) 4800

D) 600

25 / 40

Yig‘indini toping.

A) 1/6

B) 1/4

C) 1/9

D) 1/12

26 / 40

a,b,c -1 dan katta musbat sonlar uchun a³=b² va a⁴=c⁵ bo'lsa, log_bc ni toping.

A) 1/3

B) 5/6

C) 1/2

D) 8/15

27 / 40

x>0 bo‘lsa, 128x+1/x² yig‘indining eng kichik qiymatini toping.

A) 48

B) 16

C) 32

D) 64

28 / 40

Integralni hisoblang:

A) 1

B) 2

C) 3

D) 4

29 / 40

108 sonining natural bo‘luvchilari ko‘paytmasi quyidagilardan qaysi biriga teng?

2¹²·3¹⁸
2²·3³
2⁸·3¹⁰
2⁶·3⁹

A) 4

B) 1

C) 2

D) 3

30 / 40

Tenglamalar sistemasidan foydalanib x + y + z ni toping:

A) 10

B) berilganlar yetarli emas

C) 6

D) 8

31 / 40

A, B,C,D, E natural sonlar. Agar EKUB(A,B,C)=10, EKUB(B,C,D,E)=15 bo‘lsa, A+ B+C+D+ E ning eng kichik qiymatini toping.

A) 80

B) 120

C) 100

D) 90

32 / 40

1, 1, 2, 3, 5, 8, 13, … ketma-ketlikning umumiy hadi an bo‘lsa, quyidagilardan qaysi biri to‘g‘ri?

A) 3

B) 4

C) 2

D) 1

33 / 40

Tenglamaning natural ildizining butun bo‘luvchilari nechta?

A) 6

B) 4

C) 5

D) 2

34 / 40

Agar tenglamaning ildizi m/n bo‘lsa, m+ n ni toping. Bunda EKUB(m; n)=1.

A) 41

B) 25

C) 32

D) 50

35 / 40

ni hisoblang.

A) 0

B) 1

C) 3

D) 2

36 / 40

Radiusi 25/4 bo‘lgan sferaga balandligi 8 ga teng bo‘lgan konus ichki chizilgan. Konusning hajmini toping.

A) 144π

B) 72π

C) 96π

D) 192π

37 / 40

Bo‘yi 130 cm, eni 90 cm, balandligi 60 cm bo‘lgan idishdagi suvning 234 litri olindi. Idishda qolgan suvning (sathi) balandligini toping.

A) 25

B) 20

C) 40

D) 35

38 / 40

Aylana tashqarisidagi nuqtadan aylanaga kesuvchi o‘tkazilgan. Berilgan nuqtadan aylanani kesgan nuqtalarigacha bo‘lgan masofalar mos ravishda 9 va 45 ga teng bo‘lsa, shu nuqtadan aylanaga o‘tkazilgan urinmaning urinish nuqtasigacha bo‘lgan masofa uzunligini toping.

A) 9√5

B) 8√3

C) 12√3

D) 6√5

39 / 40

Funksiyaning aniqlanish sohasini toping.