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Matematika attestatsiya №4

InfoMaster

Yanvar 21, 2022

38 Ko'rishlar 1 izoh

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1 ovozlar, 1 avg

Matematika fanidan attestatsiya savollari №4

1 / 40

x,y,z∈N A=6x+1=5y+1=4z+1, min(A)=?

A) 59

B) 60

C) 61

D) 58

2 / 40

Agar bo'lsa, x ni toping.

A) 2

B) 5

C) -2

D) -5

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) 0,32

B) 0,5

C) 0,8

D) 0,16

4 / 40

To’g’ri turt burchakning bo’yining perimetriga nisbatini toping.

A) 1/2

B) -452/18

C) 3/18

D) 5/3

5 / 40

Agar bo‘lsa, x ni toping.

A) -5

B) 2

C) -2

D) 5

6 / 40

1·2·3· ... ·30 ko'paytmani tub ko'paytuvchilarga ajratganda ko'apytmada 2ⁿ, 3^m va 7^k lar ishtirok etsa, n+m+k ni toping.

A) 46

B) 40

C) 44

D) 50

7 / 40

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

A) (-2; ∞)

B) (0; ∞)

C) [-1; ∞)

D) (-1; ∞)

8 / 40

2013²⁰¹⁵ ni 10 ga bo'lgandagi qoldiqni toping.

A) 1

B) 9

C) 3

D) 7

9 / 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) 2

C) 0

D) 6

10 / 40

funksiyaning qiymatlar to'plamini toping.

A) [-√2;-1)∪(-1;1)∪(1;√2]

B) [-√2;√2]

C) [-√2;0)∪(0;√2]

D) (-2√2;√2)

11 / 40

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

A) 7

B) 12

C) 5

D) 1

12 / 40

Shaharlar orasidagi masofa xaritada 5 sm ga teng bo`lsava xaritaning masshtabi 1:4000000 bo`lsa , shaharlar orasidagi haqiqiy masofa qanchaga teng ?

A) 0,2km

B) 2 km

C) 20 km

D) 200 km

13 / 40

Soddalshtiring.

A) -1

B) 6

C) 1

D) 2

14 / 40

Quyidagi berilgan qoldiqli bo`lishlardan qaysi biri to`g`ribajarilgan ?
a)76 : 9 = 7 (qoldiq 13);
b)20 : 7 = 2 (qoldiq 6);
d)54 : 15 = 4 (qoldiq 1)

A) a,b

B) b,d

C) )a,b,d

D) b

15 / 40

Hisoblang: -1²¹+(-1³⁵)-(-1)²⁸

A) -1

B) -2

C) 0

D) -3

16 / 40

ABCD trapetsiyaning AC diagonali CD yon tomonga perpendikulyar. Agar ∠D=69° va AB = BC bo‘lsa, B burchakni toping.

A) 138°

B) 132°

C) 135°

D) 142°

17 / 40

Agar bo'lsa, ni m orqali ifodalang.

A) (4-m)/4

B) 2/m

C) (m+4)/4

D) (m+1)/2

18 / 40

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

A) 5050

B) 3600

C) 600

D) 4800

19 / 40

tenglama intervalda nechta ildizga ega?

A) 2

B) 4

C) 1

D) 3

20 / 40

cos75° ·cos 45° ·cos15° ni hisoblang.

A) 1/8

B) √3/8

C) √2/8

D) √3/4

21 / 40

ni hisoblang.

A) 0

B) 2

C) 3

D) 1

22 / 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) 100

C) 120

D) 90

23 / 40

Burchagi 120° ga teng bo‘lgan doiraviy sektorga ichki doira chizilgan. Berilgan doiraning radiusi R ga teng bo‘lsa, yangi doiraning radiusi topilsin.

A) 1,5R

B) 3R

C) R(√3-√2)

D) √3R(2-√3)

24 / 40

Agar bo‘lsa, m/n ni toping.

A) 3

B) (1+√5)/2

C) 4

D) 2

25 / 40

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

A) 72π

B) 192π

C) 144π

D) 96π

26 / 40

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

A) 36/65

B) 56/65

C) 48/65

D) 40/63

27 / 40

Yig‘indini toping.

A) 1/9

B) 1/12

C) 1/6

D) 1/4

28 / 40

7/3 kasrning o‘nli kasr yoyilmasida verguldan keyingi 100- raqamni toping.

A) 2

B) 4

C) 5

D) 1

29 / 40

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

A) 32

B) 64

C) 16

D) 48

30 / 40

Tenglamani yeching:

A) 5/9

B) 6/5

C) 9/5

D) 5*4

31 / 40

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

A) 4

B) -√17

C) -4

D) √17

32 / 40

Agar f(x) funksiya (-∞;∞) da qat’iy o‘suvchi funksiya bo‘lsa, y =3 f(x)-8 funksiya uchun quyidagi mulohazalardan qaysi biri to‘g‘ri bo‘ladi?

A) dastlab kamayadi, keyin o‘sadi

B) qat’iy o‘suvchi

C) qat’iy kamayuvchi

D) dastlab o‘sadi, keyin kamayadi

33 / 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) 8√3

B) 6√5

C) 12√3

D) 9√5

34 / 40

Tenglamaning natural ildizining butun bo‘luvchilari nechta?

A) 6

B) 5

C) 2

D) 4

35 / 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) 35

D) 40

36 / 40

sin a = x va 1+cos a= y bo‘lsa, x va y o‘zaro qanday bog‘langan?

A) 4

B) 3

C) 2

D) 1

37 / 40

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

A) √6

B) 2,5

C) √5

D) 2,4

38 / 40

Raqamlari yig‘indisi 10 bo‘lgan nechta turli 3 xonali son bor?

A) 0,288

B) 0,216

C) 0,432

D) 0,144

39 / 40

To‘g‘ri burchakli uchburchakning bir burchagi 52° ga teng bo‘lsa, to‘g‘ri burchak uchidan tushirilgan balandlik va mediana orasidagi burchakni toping.

A) 14°

B) 7°

C) 17°

D) 24°

40 / 40

Ayniyatdan foydalanib x + y + z ni toping: