1. What is a well-defined collection of objects?
A. Element
B. Number
C. Set
D. Cardinality
2. The set of elements that belongs to both set Cand D is called the_______
of sets C and D.
A intersection B. difference
C union
D. complement
3. Which of the following is a FINITE set?
A. Set of fractions between 2 and 4. B. {0, 1, 2, 3, 4, 5, ---}
C {x/ x is an integer}
D. {x{ x is a whole number greater than 21}
4. From a total of 40 students, how many own both cats and dogs but not birds?
A.25
B.2
C.16
D.6
5. What is the absolute value of -19?
A. 1.9
B.19
C.0
D.-19
6. Which of the following pairs of sets given below are equal?
A. R={f, o, r)
B. L is the set of letters in the word love.
S = {f, o, r, t}
M is the set of letters in the word mine.
C.C= {watermelons, coconuts, avocados) D. O = {1, 2, 3]
D = {avocados, watermelons, coconuts) P ={a,b,c
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