Class 11 | CBSE | MATHEMATICS
SETS | MCQ-3

MCQ Worksheet – Sets (Class 11 | CBSE)

Chapters Covered: 1.6 Subsets · 1.6.1 Subsets of ℝ · 1.6.2 Intervals · 1.7 Universal Set

1. If A = {1, 2} and B = {1, 2, 3, 4}, then which of the following is true?

(a) A ⊂ B
(b) B ⊂ A
(c) A = B
(d) A ⊄ B

2. Which of the following sets is NOT a subset of real numbers ℝ?

(a) Set of integers
(b) Set of rational numbers
(c) Set of prime numbers
(d) Set of imaginary numbers

3. Which interval represents all real numbers x such that 2 < x ≤ 5 ?

(a) [2, 5]
(b) (2, 5)
(c) (2, 5]
(d) [2, 5)

4. Which of the following is a closed interval?

(a) (1, 4)
(b) (1, 4]
(c) [1, 4)
(d) [1, 4]

5. If U = {1, 2, 3, 4, 5} and A = {2, 4}, then A is

(a) Universal set
(b) Subset of U
(c) Equal to U
(d) Empty set

6. Which of the following statements is true?

(a) Every set has only one subset
(b) Every set is a subset of itself
(c) A set cannot be a subset of another set
(d) Universal set is always empty

7. Which of the following best describes the Universal Set?

(a) Set with no elements
(b) Set of all irrational numbers
(c) Set containing all elements under discussion
(d) Set of natural numbers only