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cartesian prduct

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.

If :n(X)=4 , Y={3,4} , then n(X×Y)=......

a)

6

b)

10

c)

9

d)

8

2.

{3}x{3}=......

a)

{3}

b)

(3,3)

c)

{3,3}

d)

{(3,3)}

3.

What type of set is denoted as either { } or ∅?

a)

Superset

b)

Disjointed Set

c)

Empty (or Null) Set

d)

Subset

4.

 If n(x) = 3  , n(x×y)=12 , then n(y)=........If\ n\left(x\right)\ =\ 3\ \ ,\ n\left(x\times y\right)=12\ ,\ then\ n\left(y\right)=........  

a)

4

b)

9

c)

15

d)

36

5.

If X={5,8},then X2=....

a)

{(5,5),(5,8),(8,5),(8,8) }

b)

{(5,8),(8,5),(8,8) }

c)

{(8,5),(5,8),(8,5),(8,8) }

d)

{(5,5),(5,8)}