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Choose the letter that corresponds to the correct answer. (Write your answer in your notebook.)
1. Which of the following collection is NOT a set?
a. The collection of all books in the library
b. The collection of all rich people in a certain barangay
The collections of all the teachers in a community
d. The collection of all teenagers in a community
2. Which of the following collection is a set?
a. The collection of all living people in mars
b. The collection of beautiful ladies in town
C. The collection of all underemployed Filipino workers
d. The collection of all young people in bataan
3. Which of the following is not a subset of G ={a,b,c,d,e,f,g}
a. H={a,b,c} b. H={a,e,i) c. H={a,e) d. H={a,g}
4. The cardinality of set G={a,b,c,d,e,fg) is ?
b.6
a. 5
c. 7
d. 8
5. How many possible subsets are there in set M={2,3,4}
a. 2
b.4
c. 6
d. 8​