1. which of the following is not not a set.?
A. set of kinds of matters
B.set of favorite subjects
C.set of even numbers
D.set of counting numbers less than 15

2. What best describes the t\ 0,2,4,6,8,... }
A. Set of all counting numbers divisible by 2
B. Set of all whole even numbers
C. Set of all composite numbers
D. Set of rational numbers

3. describe the set of factors of 12 by roster method
A.{2,4,6,8}
B. {2,6,12}
C.{1,2,3,4,6,12}
D.{1,2,3,4,5,6}

4. the cardinality of the set of counting nembers divisible by 3 and less than 15.
A.4
B.5
C.6
D.7

5.the set of consonants in the word"algebra"
A.{a,e,b,r}
B.{l,g,b,r}
C.{a,e,r,g}
D.{l,e,g,a}
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