CBSE Class 11 Mathematics Chapter 2 Relations and Functions Multiple Choice Questions with Answers. MCQ Class 11 Mathematics Relations and Functions with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Mathematics Relations and Functions MCQs with Answers to know their preparation level.
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MCQ Class 11 Mathematics Relations and Functions with Answers - Set - 1
Question 1:
Domain of definition of the function
f x = 3/4-x2 + log10 ( x3 -x ) is
(a) (-1, 0)∪(1, 2)∪(2,∞)
(b) (-∞, 2)
(c) (-1, 0) ∪ (0, 2)
(d) (1, 2) ∪ (2, ∞)
Correct Answer – (A)
Question 2 :
Range of the function f defined by f (x) [1/sin{x}]
(where [. ] and {. } respectively denote the greatest integer and the fractional part functions) is
(a) I and set of integers
(b) N, the set of natural numbers
(c) W, the set of whole numbers
(d) {2, 3, 4, …..}
Correct Answer – (B)
Question 3 :
If P, Q and R are subsets of a set A, then R × (PC È QC)C equals.
(a) (R´ P)Ç(R´Q)
(b) (R´Q)Ç(R´ P)
(c) (R´ P)È(R´Q)
(d) None of these
Correct Answer – (A)
Question 4 :
The range of the function y = 1/2-sin3x for real x is:
(a) 1/3≤y≤1
(b) -1/3≤y≤1
(c) -1/3≤y>1
d) -1/3>y>1
Correct Answer – (A)
Question 5 :
The relation R defined on the set of natural numbers as {(a, b) : a differs from b by 3}is given
(a) {(1, 4), (2, 5), (3, 6),…..}
(b) {(4, 1), (5, 2), (6, 3),…..}
(c) {(1, 3), (2, 6), (3, 9),…..}
(d) none of these
Correct Answer – (B)
MCQ Class 11 Mathematics Relations and Functions with Answers
Question 6 :
If A × B = { (5, 5), (5, 6), (5, 7), (8, 6), (8, 7), (8, 5)},then the value A.
(a) {5}
(b) {8}
(c) {5, 8}
(d) {5, 6, 7, 8}
Correct Answer – (C)
Question 7 :
The domain of the function
f(x) = 1/√(x12 – x9 +x4 -x+1)
(a) (-∞, -1)
(b) (1, ∞)
(c) (-1, 1)
(d) (-∞, ∞)
Correct Answer – (D)
Question 8 :
The domain of the function f (x) = loge(x – [x]) is:
(a) R
(b) R – Z
(c) (0,+∞)
(d) Z
Correct Answer – (B)
Question 9 :
The domain of definition of the function
f (x) = 1 /√x -x
(a) R
(b) (0,∞)
(c) (–∞, 0)
(d) none of these
Correct Answer – (C)
Question 10 :
The domain of definition of the function:
f(x) = x.1 2(x 4) -0.5 / 2 (x 4)0.5
+ (x + 4)0.5 + 4(x + 4)0.5 is
(a) R
(b) (– 4, 4)
(c) R+
(d) (– 4, 0) ∪(0,∞)
Correct Answer – (D)
- NCERT Solutions Class 11 Mathematics Relations and Functions : Exercise 2.1
- NCERT Solutions Class 11 Mathematics Relations and Functions : Exercise 2.2
- NCERT Solutions Class 11 Mathematics Relations and Functions : Exercise 2.3
- NCERT Solutions Class 11 Mathematics Relations and Functions : Exercise 2 Misc
- NCERT Solutions Class 11 Mathematics Textbook download
