NCERT Class 11 Math Relations and Functions Chapter 2 MCQ Question Answer for Preparation of Exams. Here we Provide Class 11 Math Question Answer, Important Questions, MCQ for Various State Boards Students like CBSE, Haryana, uttar pradesh, mp and other state students.
Also Read : – Class 11 Math NCERT Solution
NCERT Class 11 Math Chapter 2 Relations and Functions MCQ Question Answer Solution.
Relations and Functions Class 11 Math Chapter 2 MCQ Question Answer
Multiple Choice Questions and Answer for Easy to Understand the Chapter.
Class 11 Maths Chapter 2 Exercise 2.1 MCQ
1. If ( x + 1, y – 2) = ( 3,1), then values of x and y are
(A) 2, 3
(B) 3, 4
(C) 2, 4
(D) 1, 3
Answer
Ans. 2, 3.
2. If A × B = {(p, q), (p, r), (m, q), (m, r)}, then which of the following is true?
(A) A = {p, m}
(B) B = {q, r}
(C) Both A and B
(D) none of the above.
Answer
Ans. Both A and B.
3. If set A has 3 elements and set B = {3, 4, 5}, then number of elements in (A×B) is
(A) 6
(B) 9
(C) 3
(D) 1
Answer
Ans. 9
4. If G = {7, 8} and H = {5, 4, 2} , then number of subsets in G×H is
(A) 32
(B) 64
(C) 8
(D) 16
Answer
Ans. 64
5. let A = {1, 2} and B = {2, 3}, then A×(A∩B) is
(A) {(1, 2), (2, 2)}
(B) {(2,3), (3, 4)}
(C) {(1, 3), (2, 4)}
(D) none of the above.
Answer
Ans. (A) {(1, 2), (2, 2)}.
Class 11 Maths Chapter 2 Exercise 2.2 MCQ
1. Let A = {1,2} and B = {3, 4}. Then the number of relations from A to B is
(A) 6
(B) 4
(C) 8
(D) 16
Answer
Ans. 16
2. A relation R from A to A is R = {(x, y) : y = x + 1 } where A = {1, 2, 3, 4} . Then domain is
(A) {1, 2, 3}
(B) {1, 2, 3, 4}
(C) {1, 2}
(D) none of the above.
Answer
Ans. (A) {1, 2, 3}
3. A relation R from A to A is R = {(x, y) : y = x + 1 } where A = {1, 2, 3, 4} . Then range is
(A) {1, 2, 3}
(B) {1, 2, 3, 4}
(C) {1, 2}
(D) none of the above.
Answer
Ans. (B) {1, 2, 3, 4}
4. Which of the following is true regarding range and codomain?
(A) range = codomain
(B) range ⊂ codomain
(C) range ⊆ codomain
(D) range ⊇ codomain
Answer
Ans. (C) range ⊆ codomain
5. What will be the total no of relations from A to B where n(A) = p, n(B) = q.
(A) 2pq
(B) pq
(C) 2p + q
(D) none of the above
Answer
Ans. (A) 2pq
Class 11 Maths Chapter 2 Exercise 2.3 MCQ
1. Which of the following is the range of given function
f(x) = 2 – 3x, x ∈ R, x > 0
(A) ( – ∞, 2)
(B) [ -∞, 2]
(C) [ 2, ∞)
(D) none of the above
Answer
Ans. (A) ( – ∞, 2)
2. A function f is defined by f(x) = 2x – 5. Then the value of f(7) is
(A) 8
(B) 9
(C) 5
(D) 7
Answer
Ans. (B) 9.
3. The range of real function f(x) = -ΙxΙ is
(A) ( -∞, ∞)
(B) ( -∞, 0)
(C) ( -∞, 0]
(D) none of the above.
Answer
Ans. (C) ( -∞, 0]
4. Which of the following is not a function?
(A) {(1, 2), (2, 3)}
(B) {(1, 2), (1, 3)}
(C) {(2, 3), (3, 1)}
(D) none of the above.
Answer
Ans. (B) {(1, 2), (1, 3)}
5. Which of the following is a function?
(A) {(1, 2), (2, 3), (7, 8), (8, 9)}
(B) {(1, 2), (2, 3), (3, 4)}
(C) {(2, 3), (3, 1), (4, 1)}
(D) all of the above.
Answer
Ans. (D) all of the above.