Mathematics Questions and Answers – Sets and their Representations – 1

This set of Mathematics Multiple Choice Questions & Answers (MCQs) focuses on “Sets and their Representations – 1”.

1. Which of the following set is not possible?
a) Honest persons
b) Prime numbers up to 100
c) Even numbers up to 100
d) Letters forming the word SCHOOL
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2. Which of the following is not a set of letters of word PRINCIPAL?
a) {P,R,I,N,C,A,L}
b) {C,A,P,I,N,R,L}
c) {P,R,I,N,C,I,P,A,L}
d) {L,N,I,P,C,A,R}
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3. Write solution set of equation x²-3x+2=0 in roster form.
a) {1,3}
b) {2,4}
c) {1,4}
d) {1,2}
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4. Write the set \({\frac{1}{2}, \frac{2}{3}, \frac{3}{4}, \frac{4}{5}, \frac{5}{6}}\) in set builder form.
a) {x: \(x=\frac{n}{n+1}\) where n is a natural number less than 6}
b) {x: \(x=\frac{n+1}{n+2}\) where n is a natural number less than 6}
c) {x: \(x=\frac{n+1}{n}\) where n is a natural number less than 6}
d) {x: \(x=\frac{n}{n+1}\) where n is a natural number less than 5}
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5. Write the set {x : x is an integer and x²-9=0} in roster form.
a) {3}
b) {-3}
c) {3,-3}
d) {9,3}
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6. Write the set {x : x is a natural number and x²-9=0} in roster form.
a) {3}
b) {-3}
c) {3,-3}
d) {9,3}
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7. Let A={1,2,3,4,5}. Insert appropriate symbol in 2 ________ A.
a) =
b) <
c) ∈
d) ∉
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8. Let X={1,2,3,4,5,6}. Insert appropriate symbol in 9 ________ X.
a) =
b) <
c) ∈
d) ∉
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9. Which of the following does not belong to set {x : x is a vowel in English alphabet}?
a) e
b) b
c) i
d) o
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10. The number of elements in set {x : x is a letter of word TRIGONOMETRY} is __________
a) 8
b) 7
c) 9
d) 10
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11. What is the solution set of the equation X²+3X+2=0 in roster form?
a) {-1, 2}
b) {-1, -2}
c) {1, -2}
d) {1, 2}
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12. Which one of the following is the correct representation for the set {x: x is a positive integer and x³<50} in roster form?
a) {0,1,2,3,4,5}
b) {-1,1,2,3}
c) {1,2,3}
d) {0,1,2,3}
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13. Which one of the following is the correct representation of set A = {1,3,5,7….} in set builder form?
a) {x: x = 2n where n ∈ N}
b) {x: x = n²-1 where n ∈ N}
c) {x: x = 2n+1 where n ∈ N}
d) {x: x = 2n-1 where n ∈ N}
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14. Which of the following is true for set A = {1,2,3,5,7,10}?
a) 0 ∈ A
b) 2 ∈ A
c) 3 ∉ A
d) 5 ∉ A
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15. Which one of the following is not a set?
a) The collection of all whole numbers less than 200
b) The collection of all boys in your class
c) The collection of talented actors in Hollywood
d) The collection of all books written by Chetan Bhagat
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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.