Free Printable Eskilardan Alfa uchun

1.

0; 3; 9; 11; 17; 27; 49; 121; 289; 301; 1001 sonlar ichida nechta tub son bor?

a)

3

b)

4

c)

5

d)

6

2.

EKUK(30;54;90)=?

a)

180

b)

210

c)

270

d)

900

3.

EKUB(75;90;180)=?

a)

5

b)

10

c)

12

d)

15

4.

EKUB(12,24,30)+EKUK(3,4,5) ning qiymatini toping.

a)

36

b)

42

c)

66

d)

72

5.

Hisoblang: $\left(31\cdot9-754:29\right)\cdot\left(1323:27-31\right)$

a)

4544

b)

4454

c)

4554

d)

4445

6.

O'zaro tub sonlar juftligini toping!

a)

(123;125)

b)

(13:169)

c)

(15:45)

d)

(100:124)

7.

Quyidagi misol javobini toping: $439+669:3+758-846:2$

a)

1007

b)

987

c)

1000

d)

997

8.

Sonli ifodaning qiymatini toping.

$1+1\cdot1-1:1+\left(1+1-1\right):1+1-\left(1-1\right)$

a)

1

b)

2

c)

3

d)

4

9.

Quyidagilardan qaysilarning EKUKi 24 ga teng:

1) 24 и 2; 2) 18 и 12; 3) 3 и 8; 4) 12 и 32;

5) 4 и 6.

a)

1, 3

b)

1, 3, 5

c)

1 va 5

d)

1 va 3

10.

Quyidagilardan qaysilarining EKUBi 4 ga teng?

1) 16 va 4 2) 18 va 15 3) 4 va 15 4) 12 va 60 5) 28 va 24

a)

2, 3, 5

b)

1, 3, 5

c)

1, 5

d)

Barchasi

11.

8 ga bo'linadigan sonni toping.

a)

858654589658211

b)

565845965545657

c)

8466958745239

d)

7775698874541552

12.

196 sonining natural bo'luvchilari yig'indisini toping.

a)

392

b)

398

c)

202

d)

399

13.

18 va 54 sonlarining eng kichik umumiy karralisini toping.

a)

18

b)

54

c)

324

d)

27

14.

100 ning natural bo'luvchilari sonini toping.

a)

6

b)

9

c)

4

d)

8

15.

Turli raqamli to'rt xonali 53a4 soni 3 ga bo'linadi, a ning nechta qiymati mavjud?

a)

2

b)

3

c)

4

d)

5

16.

a)

1

b)

33

c)

Mavjud emas

d)

0

17.

Qaysilari o'zaro tub sonlar

a)

6va 12

b)

1va4

c)

7 va 28

d)

13va 169

18.

Quyidagi sonlardan qaysilari 4ga karrali?

1) 132453232 2)233443 3)122222 4) 12122344

a)

1 va 3

b)

1 va 4

c)

Hammasi

d)

1 2 3

19.

25ga karrali sonni toping

a)

128879800

b)

1234251

c)

111112434

d)

12299000259

20.

Bir vaqtda 4 va 5 ga bo'linadigan sonlar qatorini toping

a)

12229940

b)

1233985

c)

49808903

d)

1222222015

21.

1024 ning Natural bo'luvchilari nechta?

a)

12 ta

b)

10 ta

c)

11ta

d)

1024

22.

246*013579 сони 9 га бўлиниши учун юлдузчанинг ўрнига қандай рақам қўйилиши

керак?

a)

0

b)

4

c)

7

d)

8

23.

Quyidagi sonlarning qaysi biri 12 ga qoldiqsiz bo'linadi?

a)

12024

b)

52304

c)

9216

d)

18312

24.

1200 ning natural bo'luvchilari sonini toping.

a)

30

b)

8

c)

15

d)

16

25.

420 sonini tub ko'paytuvchilarga ajrating.

a)

$420=1\cdot2\cdot2\cdot3\cdot5\cdot7$

b)

$420=2\cdot3\cdot5\cdot7$

c)

$420=4\cdot3\cdot5\cdot7$

d)

$2\cdot2\cdot3\cdot5\cdot7$

Eskilardan Alfa uchun

Total questions: 25

Worksheet time: 13mins

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