Home › Quizzes › JEE › Mathematics
Sets, Relations & Functions
JEE Mathematics • 10 questions • Free on ExamBattle
Practice Questions
Q1
If A = {1, 2, 3} and B = {2, 3, 4}, then A ∪ B is:
- A. {1, 2, 3, 4}
- B. {2, 3}
- C. {1, 4}
- D. {1, 2, 3, 4, 5}
Q2
The number of subsets of a set with 3 elements is:
- A. 3
- B. 6
- C. 8
- D. 9
Q3
A relation f: A → B is a function if:
- A. Every element of A relates to at least one element of B
- B. Every element of A relates to exactly one element of B
- C. Every element of B has a preimage in A
- D. f is one-to-one
Q4
If f(x) = 2x + 1, then f⁻¹(5) is:
- A. 2
- B. 3
- C. 11
- D. 9
Q5
The range of f(x) = x² for x ∈ ℝ is:
- A. ℝ
- B. [0, ∞)
- C. (-∞, 0]
- D. [0, 1]
Q6
The domain of f(x) = 1/√(4-x²) is:
- A. (-2, 2)
- B. [-2, 2]
- C. (-∞, 2)
- D. (0, 2)
Attempt this quiz free at ExamBattle. Sign in to earn a score and rank on the leaderboard.