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Discrete Mathematics | Operation on Sets MCQs

Discrete Mathematics | Operation on Sets MCQs: This section contains multiple-choice questions and answers on Operation on Sets in Discrete Mathematics.
Submitted by Anushree Goswami, on July 10, 2022

1. Which of the following is/are the basic set operation?

1. Union of Sets
2. Intersection of Sets
3. Difference of Sets
4. All of the above

Answer: D) All of the above

Explanation:

The following are the basic set operation -

1. Union of Sets
2. Intersection of Sets
3. Difference of Sets

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2. Union of Sets is defined as the group of all elements that are members of one or both of the sets A and B, and is denoted by the symbol ___?

1. A∪B
2. A*B
3. A-B
4. A+B

Answer: A) A∪B

Explanation:

Union of Sets is defined as the group of all elements that are members of one or both of the sets A and B, and is denoted by the symbol A∪B.

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3. All elements that belong to both A and B make up the intersection of two sets, denoted by ___?

1. A∪B
2. A∩B
3. A*B
4. A+B

Answer: B) A∩B

Explanation:

All elements that belong to both A and B make up the intersection of two sets, denoted by A ∩ B.

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4. Those elements that belong to A but not to B make up ___, the difference between two sets A and B?

1. A -- B
2. A + B
3. A - B
4. A +- B

Answer: C) A - B

Explanation:

Those elements that belong to A but not to B make up A - B, the difference between two sets A and B.

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5. A set's _____ is the sum of all the elements of that set which do not belong to it, and it is referred to as A^c?

1. Union
2. Consequtive
3. Complement
4. Difference

Answer: C) Complement

Explanation:

A set's complement is the sum of all the elements of that set which do not belong to it, and it is referred to as A^c.

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6. When two sets A and B are symmetrically different, then ____ represents the set containing all elements that are in either of them but not in both?

1. A +- B
2. A ⨁ B
3. A* B
4. A U B

Answer: B) A ⨁ B

Explanation:

When two sets A and B are symmetrically different, then A ⨁ B represents the set containing all elements that are in either of them but not in both.

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