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MCQ: If A={1, 2, 3, 4} and B={4, 5, 6, 7} then A∪B should be

1. {2, 3, 4, 5, 6, 7}
2. {1, 2, 3, 4, 5, 6, 7}
3. {4}
4. {1, 2, 3, 5, 6, 7}

B

MCQ: If 2 sets A and B are given, then the set consisting of all the common elements of A and B, then it is called

1. Intersection of A and B
2. union of A and B
3. Complement of A
4. Complement of B

A

MCQ: Complement of a set B in denoted by

1. B'
2. {B}

A

MCQ: The union of set A and B is denoted by

1. A+B
2. A-B
3. A∩B
4. A∪B

D

MCQ: If A={2, 3, 4, 5, 6} and B={4, 5, 6, 7} then A∩B should be

1. {2, 3, 4, 5, 6, 7}
2. {4, 5, 6, 7}
3. {4, 5, 6}
4. {0}

C