Set theory
 1. What is a set?A) A single objectB) A tuple of objectsC) An ordered list of objectsD) A collection of distinct objects2. Which symbol is used to represent 'is a member of' in set theory?A) ∈B) ⊆C) ∉D) ∩3. A set that contains no elements is called?A) Universal setB) Empty setC) Power setD) Singleton set4. The number of elements in a set is called its?A) UnionB) SubsetC) CardinalityD) Intersection5. A set that contains all the elements under consideration is called?A) Finite setB) Universal setC) Singleton setD) Empty set6. Which operation produces a set containing elements that are in either of the sets being combined?A) ComplementB) IntersectionC) Cartesian productD) Union7. The complement of a set A with respect to the universal set is denoted by?A) A ∪ AB) A - AC) A'D) A ∩ A8. The set that contains all subsets of a given set is called a?A) Complement setB) Power setC) Infinite setD) Finite set9. A set containing only one element is called?A) Singleton setB) Infinite setC) Universal setD) Empty set10. Which symbol is used to denote the subset relationship in set theory?A) ∉B) ⊆C) ∩D) ∪11. The set of all positive integers less than 10 is an example of a?A) Empty setB) Universal setC) Singleton setD) Finite set12. In set theory, what does the difference of sets A and B represent?A) Intersection of sets A and BB) Union of sets A and BC) Symmetric difference of sets A and BD) Elements that are in set A but not in set B13. Two sets are equal if?A) They have different elementsB) One set is a subset of the otherC) They have the same elementsD) They are both empty sets14. In set theory, what is the cardinality of the power set of a set with n elements?A) n2B) 2nC) 2nD) n!15. What is the set containing all the elements that belong to set A or set B, or both?A) The power set of set AB) The intersection of sets A and BC) The union of sets A and BD) The complement of set A with respect to set B16. If set A has 3 elements and set B has 5 elements, how many elements are in the union of A and B?A) 5B) 8C) 3D) 1517. What is the set of all elements that belong to either set but not both called?A) IntersectionB) UnionC) Symmetric differenceD) Complement18. The set of all elements that are common to two or more sets is called the __________.A) UnionB) ComplementC) IntersectionD) Symmetric difference19. If the cardinality of set A is 10 and the cardinality of set B is 15, what is the possible range for the cardinality of the union of A and B?A) 10 to 15B) 11 to 25C) 26 to 30D) 1 to 520. If set A has 2 elements and set B has 3 elements, how many elements will the Cartesian product of A and B have?A) 2B) 10C) 5D) 6
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