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Worksheets

Set Theory

Total questions: 15

Worksheet time: 23mins

Name
Class
Date
1.
a)

A

b)

B

c)

C

d)

D

2.
a)

A

b)

B

c)

C

d)

D

3.
a)

A

b)

B

c)

C

d)

D

4.
a)

A

b)

B

c)

C

d)

D

5.
a)

A

b)

B

c)

C

d)

D

6.
a)

A

b)

B

c)

C

d)

D

7.
a)

A

b)

B

c)

C

d)

D

8.
a)

A

b)

B

c)

C

d)

D

9.

Which of the following is equal set?

a)

A = { positive whole numbers}

B = { Natural numbers}

b)

C= { sunflower}

D ={ sun, flower}

c)

E={ factors of 9}

F= {Multiples of 9}

d)

G={ letter in word "follow"}

H= { letter in word "wolf}

10.

Which of the following sets are disjoint sets?

a)

{ x:x is natural numbers},

{x:x is whole numbers}

b)

{ 3,4,5,6},{3,7,8}

c)

{3,4}, {3,4,5}

d)

{ x:x is even numbers},

{x:x is odd numbers}

11.

State the cardinal number of A = { x : x is HCF of 3 and 9}

a)

1

b)

2

c)

3

d)

4

12.

Given ζ={x:10<x<20}\zeta=\left\{x:10<x<20\right\}  , P = {prime number}\left\{prime\ number\right\}  ,Q = {odd number}\left\{odd\ number\right\}  .

State the element in P.

a)

{11,13,17,19}\left\{11,13,17,19\right\}  

b)

{11,13,15,17,19}\left\{11,13,15,17,19\right\}  

c)

{11,12,13,14,15,16,17,18,19}\left\{11,12,13,14,15,16,17,18,19\right\}  

d)

{11.13.17}\left\{11.13.17\right\}  

13.

Given ζ={x:10<x<20}\zeta=\left\{x:10<x<20\right\}  , P = {prime number}\left\{prime\ number\right\}  ,Q = {odd number}\left\{odd\ number\right\}

State the number of element in Q

a)

3

b)

4

c)

5

d)

6

14.

Given ζ={x:10<x<20}\zeta=\left\{x:10<x<20\right\}  , P = {prime number}\left\{prime\ number\right\}  ,Q = {odd number}\left\{odd\ number\right\}

State the relationship between Set ζ\zeta  , Set P and Set Q.

a)

PQζP\subset Q\subset\zeta  

b)

ζQP\zeta\subset Q\subset P  

c)

PζQP\subset\zeta\subset Q  

d)

QPξQ\subset P\subset\xi  

15.
a)

A

b)

B

c)

C

d)

D