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College math practice test MCQ: union of two sets a and b is with choices a = b, a ≠ b, a ∪ b and a ∩ b with interview questions and answers for online pre-employment assessment of job seekers. Free study guide is for online learning number systems sets quiz with MCQs to practice test questions with answers.

MCQ: Union of two sets A and B is

1. A = B
2. A ≠ B
3. A ∪ B
4. A ∩ B

C

MCQ: Set {{1, 2, 3}, {4, 5 }} has

1. two elements
2. five elements
3. infinite elements
4. one element

B

MCQ: Intersection of two sets A and B is

1. A = B
2. A ≠ B
3. A ∪ B
4. A n B

D

MCQ: A ∪ B =

1. π
2. B ∩ A
3. A ∩ B
4. B ∪ A

D