Grade 9 math problems MCQs, grade 9 math problems quiz answers for online secondary school courses. Sets and functions multiple choice questions (MCQs), grade 9 math problems quiz questions and answers for online secondary education degree. Ordered pairs, important sets, operations on sets, grade 9 math problems test prep for secondary school teaching certification.

Learn math MCQs: if u={1, 2, 3, 4, 5} and a={2, 4} then a' should be, with choices {2, 4, 5}, {2, 4}, {1, 2, 3, 4, 5}, and {1, 3, 5} for online secondary education degree. Free math student portal for online learning grade 9 math problems quiz questions, MCQs to find questions answers based online learning tests.

MCQ: If U={1, 2, 3, 4, 5} and A={2, 4} then A' should be

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

D

MCQ: If 2 sets A and B are given, then set consisting of all elements which are either in A or in B or in both is called

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

B

MCQ: If X={1, 2, 3, 4, 5} and Y={2, 4, 5, 6, 8} then Y-X equals to

1. {4, 5}
2. {1, 6}
3. {6, 8}
4. {1, 3}

C

MCQ: If X={1, 2, 3, 4, 5} and Y={2, 4, 5, 6, 8} then X-Y equals to

1. {6, 8}
2. {1, 3}
3. {4, 5}
4. {1, 6}

B

MCQ: Intersection of set A and B is denoted by

1. A∩B
2. A∪B
3. A+B
4. A-B

A