1. It is a well-defined collection of objects. *
A.Universal Set Sets
B.Venn Diagram
C. Rational Number
 2. Which of the following is not well-defined?
A. The set of odd numbers
B. The set of even counting numbers
C.The set of positive numbers < 10
D The set of artists in Manila
 3. Given the set of letters in the word “mathematics”, what is the cardinality of the given set?
  A.11
B. 8
C.6
D. 4  
4. Set F = { x | x is a vowel letters in English alphabets } is an example of _______.
 A. Verbal Descriptive Method
B.Roster Method
C.Set Builder Notation
D.Rule Method
5. Which of the following set has the cardinality equals to 5?
A.Set A is the set of counting numbers B.less than 5
C.Set B is the set of letters in the word “RACER”
D.Set C is the set of positive multiples of 5
D. Set D is the set of names of the fingers. 6​