Likning yechimlari to`plami

1. 
   A to`plam
   

x² 11x 18  0

tengsiz-

6. A _2; 3; 4; 5; 7; 10_,

B _3; 5; 7; 9_ ,

likning yechimlari to`plami, B to`plam ^esa x² 15x  50  0 ^{tengsizlikning} yechimlari to`plami bo`lsa, A to`plamni toping.

A) [2; 10] B) _5;10_

C _4; 9; 11_ bo`lsin. A to`plamning nechta elementi mavjud. A) 4 B) 8 C) 16 D) 9

7. 
   _x x  N,  2  x  5_ to`plamning nech-
   

C) _2;9_ D) _5;9_

ta qism to`plamlari mavjud?

A) 30 B) 8 C) 16 D) 32

^{2. A to`plam} _x²  9x  20_x²  5x  6_  0

tenglamaning ildizlari to`plami, B

7. 
   A to`plam y 
   

funksiya-

to`plam esa 1 x 12

tengsizlikni

ning aniqlanish sohasi, B to`plam esa

qanoatlantiruvchi tub sonlar to`plami ^{y }

funksiyaning aniqlanish

bo`lsin. A

A) _2,3,7,11_

to`plamni toping?

B) _2,3,5_

sohasi bo`lsin. A

1. 
    B)
   

to`plamni toping.

x  4, x  6

C) _2,3_

D) 

C) 2  x  2

D) 2  x  6

3. A to`plam 28 sonining barcha natural bo`luvchilari to`plami, B to`plam esa

42 sonining barcha natural bo`luvchilari

9. A - barcha tub sonlar to`plami, B - barcha juft sonlar to`plami bo`lsa, A to`plamni toping.

to`plami bo`lsa, A

to`plamni

^{A)  B)} ²

toping.

A) _2, 7, 14_

B) _4, 6, 7_

C) _2, 3, 5, 6, 7, ..._ D) _4, 12, 30, ..._

C) _1, 2, 7, 14_

4. A _2, 4, 6, ..._,

D) _7, 14_

B  _1, 3, 5, ..._

bo`lsa,

10.

^{A }^{a, b, c}<sup>to`plamning xosmas qism</sup> to`plamlari soni nechta?

A) 2 ta B) 6 ta C) 8 ta D) 4 ta

A to`plamni toping.

A) _2, 12, 30, ..._ B) _3, 7, 11, ..._

11.

A _x 0  x  5_, B _x 2  x  8_

C)  D) N  _1, 2, 3, ..._

bo`lsa, A ni toping.

A) _2; 13_ B) _5; 8_

5. 
   26 o`quvchining 14 tasi shaxmatga, 16 tasi shashkaga qiziqadi. Ham shashka- ga, ham shaxmatga qiziqadigan o`quv- chilar nechta?
   
   1. 
      5 ta B) 4 ta C) 6 ta D) 7 ta
      

C) _0; 8_ D) _2; 5_

12. _x x  N, x²  17_ to`plamning nechta qism to`plamlari mavjud?

A) 12 B) 16 C) 8 D) 32

13.

A _x 2  x  7_,

B _x 3  x  9_

17. 
    1 x  50 kesmadagi 3 ga; 4 ga; 7 ga
    

bo`lsa, A ni toping.

A) _2; 9_ B) _7; 9_

bo`linadigan barcha natural sonlar to`plami mos ravishda A , B , C bo`lsin.

C) _2; 3_

D) _3; 7_

A

toping.

to`lam elementlari sonini

14.

A _p  tub son 2  x  32_,

B _p  tub son 7  x  28_ bo`lsa, B to`plamning A to`plamgacha to`ldiruv- chisini – A ning B ga tegishli bo`lma- gan barcha elementlaridan tuzilgan to`plamni toping.

A) _2, 3, 5, 29, 31_ B) _29, 31_

C) _p  tup son 9  x  30_ D) 

A) 23 B) 19 C) 28 D) 35

17. 
    10-sinf o`quvchilarining hammasi 3 ta to`garakka qatnashadi. Matematika to`garagiga 18 ta, fizika to`garagiga 15 ta, adabiyot to`garagiga 14 ta o`quvchi qatnashadi. Ham matematika, ham fizika to`garaklariga 6 ta o`quvchi, ham matematika ham adabiyot to`garagiga 4 ta o`uvchi, ham fizika ham adabiyot to`garagiga esa 5 ta o`quvchi qatnashadi.
    

15. 1 x 100

kesmadagi 10 ga bo`linadi-

1 ta o`quvchi uchala to`garakka ham

gan barcha natural sonlar to`plami A bo`lsa, shu kemadagi 25 ga bo`linadi- gan barcha natural sonlar to`plami B

soni nechta?					19.	^A^^a^,^b^,^c^to`plamning	barcha	qism
A) 14 B) 12		C) 4	D) 18			to`plamlari soni nechta?
16.	A x /x  2k 1, k  Z to`plamning to`plamga to`ldiruvchisini toping? A) A x x  2k 1, k  Z A x x  k, k  Z A x x  2k, k  Z A x x  k 1, k  Z				20.	A) 8 B) 27 C) 9 D) 6 ^A^^a^,^b^,^c^,^d ^to`plamning^barchaqism to`plamlari soni nechta? A) 64 B) 16 C) 81 D) 8

qatnashadi. 10-sinfda necha nafar o`quvchi bor?

A) 36 B) 40 C) 38 D) 33

1. _x x  N,  5  x  5_

to`plamni nechta usul bilan ikkita kesishmaydigan qism

to`plamlarga ajratish mumkin?

2. M _36, 29, 15, 68, 27_,

P _4, 15, 27, 47, 36, 90_,

Q _90, 4, 47_

to`plamlar berilgan.

M P , M Q , P Q , M larni toping.

3. A _2, 3, 4, 5, 7, 10_,

B _3, 5, 7, 9_ ,

C _4, 9, 11_

bo`lsin. Quyidagi to`plamlarda

nechtadan element mavjud:

1. 
   A b) A
   

c) A d) C

4. 
   _x x  N, x²  23_ to`plamning nechta qism to`plamlari mavjud?
   

4. 
   A _x
   

 5  x  10_,

B _x x  N, 3  x  15_

bo`lsa,

A \ B va

B \ A to`plam

elementlarini toping.

4. 
   _x x  N, 6  x²  40_ to`plamning nechta qism to`plamlari mavjud?
   
5. 
   A - 18 ning hamma natural bo`luvchilari to`plami, B - 24 ning hamma natural
   

bo`luvchilari to`plami bo`lsa, A to`plam elementlarini ko`rsating.

4. 
   _x x  N, 2  x²  44_ to`plamning nechta qism to`plamlari mavjud?
   
5. 
   P _a, b, c, d, e, f _, E _a, g, z, e, k_ to`plamlar birlashmasini toping.
   
6. 
   _x x  N,  2  x  5_ to`plamning nechta qism to`plamlari mavjud?