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Matematika attestatsiya №1

InfoMaster

Yanvar 8, 2022

416 Ko'rishlar 1 izoh

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Matematika fanidan attestatsiya savollari №1

1 / 40

tengsizlikning barcha butun yechimlari yig‘indisining natural bo’luvchilari yig‘indisi topilsin.

A) 32

B) 21

C) 28

D) 24

2 / 40

Hisoblash natijasida hosil bo’lgan sondan 4 marta katta sonning natural bo’luvchilari soni a bo’lsa , a ning butun bo’luvchilari sonini toping.

A) 32

B) 8

C) 16

D) 24

3 / 40

Agar a-b+c=10 va bo‘lsa, ac-ab-bc ifodaning qiymatini toping.

A) 20

B) aniqlab bo‘lmaydi

C) 16

D) 18

4 / 40

Agar bo‘lsa, x ni toping.

A) -5

B) 2

C) 5

D) -2

5 / 40

Teng yonli trapetsiya asosidagi burchakning sinusi 0,6 ga, asoslarining ayirmasi 4 ga teng bo‘lsa, trapetsiyaning yon tomonini toping.

A) 4

B) 2

C) 2,5

D) 3

6 / 40

y=4cos 2x+cos8x funksiyaning hosilasini toping

A) 16sin3x*sin5x

B) -16cos3x*sin5x

C) 16cos3x*cos5x

D) 16sin3x*cos5x

7 / 40

tenglamalar sistemasi yechimga ega bo‘ladigan a ning barcha qiymatlari to‘plamini toping.

A) 1

B) 4

C) 2

D) 3

8 / 40

funksiyaning eng kichik musbat davrini toping.

A) 18

B) 26

C) 12

D) 24

9 / 40

va bo'lsa x-y=?

A) 9

B) 7

C) 8

D) 5

10 / 40

Quyidagi javoblardan qaysi biri tengsizlikni yechimi bo'la oladi?

A) 4

B) 2

C) 3

D) 1

11 / 40

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

A) 5/3

B) 3/18

C) -452/18

D) 1/2

12 / 40

Agar ni hisoblang.

A) 8

B) 9

C) Cheksiz

D) 0

13 / 40

ABCD qavariq to‘rtburchakka aylana ichki chizilgan. AB = 8, BC = 12 bo‘lsa, CD – AD ayirmani toping.

A) 4

B) aniqlab bo‘lmaydi

C) 3

D) 2

14 / 40

Qavariq oltiburchakning 3 ta uchidan kesib olsak qanday shakl hosil bo’ladi ?

A) 9

B) 6

C) 14

D) 12

15 / 40

Abdulla, Samandar va Jamshid 3 ta stulga necha xil usulda utirishi mumkin?

A) 6

B) 7

C) 9

D) 27

16 / 40

x,y,z∈N A=6x+1=5y+1=4z+1, min(A)=?

A) 58

B) 59

C) 61

D) 60

17 / 40

Bobur 14 m/s tezlik bilan 5 soat, 36 km/soat tezlik bilan 5 minut yugurgan bo’lsa , Boburning umumiy yurgan yo’li topilsin

A) 255 km

B) 456 km

C) 670 km

D) 13 km

18 / 40

tengsizlikni yeching.

A) x∈(-∞;5)∪(-3;1)

B) x∈(-3;1)

C) x∈(-∞;5)

D) x∈(-5;1)

19 / 40

ni 9 ga bo’lgandagi qoldiqning kvadratini toping.

A) 9

B) 25

C) 16

D) 4

20 / 40

Agar bo'lsa, x ni toping.

A) 5

B) -5

C) -2

D) 2

21 / 40

bo‘lsa, x + y ni toping.

A) 17

B) 16

C) 18

D) 20

22 / 40

Agar $f(g(x))=x^2-5x+6$ va $g(x)=x-2$ bo'lsa f(4) ning qiymatini toping.

A) 11

B) 12

C) 4

D) 35

23 / 40

180 gramm suvga 70 gramm tuz aralashtrildi. Hosil bo‘lgan aralashmaninmg necha foizi suvdan iborat?

A) 75

B) 72

C) 70

D) 78

24 / 40

bo‘lsa, ning qiymatini toping.

A) 0,5

B) 0,7

C) 1

D) 2

25 / 40

Agar ning qiymatini toping.

A) 75/23

B) 3

C) 23/75

D) 23/25

26 / 40

Qayiq daryo oqimga qarshi 48 km va oqim bo‘yicha ham shuncha yo‘l bosib, butun yo‘lga 5 soat vaqt sarfladi. Daryo oqimining tezligi 4 km/soat bo‘lsa, qayiqning xususiy tezligini toping.

A) 25

B) 20

C) 18

D) 22

27 / 40

ni qanoatlantiruvchi yechimlar nechta?

A) 1

B) 2

C) 3

D) 0

28 / 40

Yig’indi quydagilardan qaysi biriga teng?

A) 40560,8

B) 45,0608

C) 450,608

D) 4506,08

29 / 40

Kamayish tartibida joylashtiring.

a)5√6
b)12
c)4√10

A) c>a>b

B) b>a>c

C) a>b>c

D) a>c>b

30 / 40

$cos6x-4cos2x<0$ tengsizlikni yeching.

A) 4

B) 3

C) 2

D) 1

31 / 40

Agar bo'lsa ifodaning qiymatini toping.

A) 13

B) 9

C) 0

D) 7

32 / 40

Berilgan sonlarning yig’indisini toping.

A) 1/4

B) 2/4

C) 3/18

D) -452/18

33 / 40

Jamshid bir kunda 70,5 kgdan paxta tersa, 8460 kg paxtani necha kunda terib bo’ladi ?

A) 140 kun

B) 120 kun

C) 130 kun

D) 100 kun

34 / 40

1:(2:3) son 1:2:3 sonidan qanchaga katta?

A) 6

B) 3

C) 9

D) 4/3

35 / 40

Kichchik diagonali tomoniga teng bo’lgan rombga , tomoni diametr qilib yarim doira va uning ichiga romb tomoniga hamda yarim doiraga urunuvchi aylana chizilgan . Agar romb tomoni 8 bo’lsa aylana markazidan diagonallar kesishish nuqtasigacha bo’lgan masofani toping.