Discrete Mathematics Questions and Answers – Sets

This section focuses on "Sets" in Discrete Mathematics. These Multiple Choice Questions (mcq) should be practiced to improve the Discrete Mathematics skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Who introduced the concept of sets?

A. Babylonians
B. G. Cantor
C. Pythagoreans
D. Konrad Zuse

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2. Set theory forms the basis of several other fields of study like?

A. counting theory
B. relations
C. finite state machines
D. All of the above

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3. A set is an _________ collection of different elements.

A. unordered
B. ordered
C. unordered and ordered
D. None of the above

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4. A set can be written explicitly by listing its elements using?

A. ()
B. []
C. {}
D. " "

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5. In how many ways, sets can be represented?

A. 2
B. 3
C. 4
D. 5

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6. A={a,e,i,o,u} is an example of?

A. Roster Form
B. Set Builder Notation
C. Both A and B
D. None of the above

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7. What Z+ represents?

A. the set of all rational numbers
B. the set of all positive integers
C. the set of all whole numbers
D. the set of all real numbers

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8. A set which contains a definite number of elements is called?

A. Proper Subset
B. Universal Set
C. Finite Set
D. Unit Set

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9. Which of the following give the count of the number of ways to partition a set?

A. Power Numbers
B. Cross Numbers
C. Complement Numbers
D. Bell Numbers

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10. The power set of an empty set is?

A. 0
B. 1
C. 2
D. empty set

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