Mathematics Questions and Answers – Complement of a Set

This set of Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Complement of a Set”.

1. What does A’ denotes when U is a universal set?
a) A
b) Φ
c) U
d) U-A
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2. If A= {2,3,5} and U be the set of prime factors of 210 then find A’.
a) {2,3,5}
b) {2,3,5,7}
c) {7}
d) Φ
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3. Is (A’)’=A?
a) True
b) False
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4. Let U = {1, 2, 3, 4, 5, 6}, A = {1,4} and B = {2,3,5}. Find A’.
a) {2,3,5,6}
b) {1,2,3}
c) {1,4,6}
d) {1,2,3,4,5,6}
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5. Let U = {1, 2, 3, 4, 5, 6}, A = {1,4} and B = {2,3,5}. Find B’.
a) {2,3,5,6}
b) {1,2,3}
c) {1,4,6}
d) {1,2,3,4,5,6}
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6. Let U = {1, 2, 3, 4, 5, 6}, A = {1,4} and B = {2,3,5}. Find A’∩B’.
a) {2,3,5,6}
b) {1,2,3}
c) {6}
d) {1,2,3,4,5,6}
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7. Let U = {1, 2, 3, 4, 5, 6}, A = {1,4} and B = {2,3,5}. Then A’∩B’ is equal to (A∪B)’.
a) True
b) False
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8. Which of the following is equal to A∪A’?
a) U
b) A
c) A’
d) U’
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9. If A is set of equilateral triangles then A’ is ________
a) set of isosceles triangles
b) set of scalene triangles
c) union of sets of scalene and isosceles triangles
d) intersection of sets of scalene and isosceles triangles
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10. Which of the following is not equal to set A?
a) A∩U
b) A∩Φ’
c) A∪A’
d) A∪Φ
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Sanfoundry Global Education & Learning Series – Mathematics – Class 11.

To practice all areas of Mathematics, here is complete set of 1000+ Multiple Choice Questions and Answers.