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WorksheetsSet Theory
Total questions: 6
Worksheet time: 2mins
Name
Class
Date
1.
The meaning of the letter Z in set theory is
a)
Natural Number
b)
Integer Number
c)
Irrational Number
d)
Rational Number
2.
The meaning of the letter N in set theory is
a)
Natural Number
b)
Rational Number
c)
Real Number
d)
Irrational Number
3.
An example of an irrational number is
a)
π
b)
2
c)
25
d)
-6
4.
An example of an integer number is
a)
0
b)
π
c)
2
d)
25
5.
A = {1,2} and B = {2,3} The union of set A and B is:
a)
A∪B ={1,3}
b)
A∪B ={1,2,3}
c)
A∪B ={2,3}
d)
A∪B ={1}
6.
A = {1,2} and B = {2,3} The intersection of set A and B is:
a)
A∩B={2}
b)
A∩B={1,2,3}
c)
A∩B={1}
d)
A∩B={3}
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