a 1. Which of the following is a well-defined collection of objects, concrete or abstract of any kind?
A. Group C. set B. Member D. Element
2. Which of the following is a well-defined set?
A. set of beautiful girls C. a set of intelligent students В. a set of Phil. Presidents D. a set of good singers
3. If A = {r, o, s, e} and B = {0, r, e}, what is B in relation to A ?
A. subset C. null set B. element D. set
4. What is the cardinality of a set whose elements are the letters in the word "duterte"?
A.7 C.5 B.6 D.4
5. What is the name of a set with no elements?
A.null set B.unit set C.finite set D.universal set
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