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RELATIONS AND FUNCTIONS CLASS 11 MCQ
(a) {(2,4), (3,4)}
(b) {(4, 2), (4,3)}
(c) {(2,4), (3,4), (4,4)}
(d) {(2, 2), (3, 3), (4, 4), (5, 5)}
2. Let R be a relation on N defined by The domain of R is
(a) {2, 4,8}
(b) {2,4,6,8}
(c) {2,4,6}
(d) {1,2,3,4}
3. Let and B = {a, b, c, d}. Which one of the following is not a relation from A to B?
(a){(x,a),(x,c)}
(b){(y,c),(y,d)}
(c){(z,a),(z,d)}
(d){(z,b),(y,b),(a,d)}
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4. The image of the interval [-1, 3] under the mapping given by = is
(a) [8, 72]
(b) [0,72]
(c) [-8, 72]
(d) [0, 8]
5.The domain of the function
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6. If n(A) = 5 and n(B) =7, then the number of relations on A X B is
7.The range of the function
8. If +1 and g g(x)) is equal to
(a) 2(x+1)
(b) 2x(x+1)
(c) x
(d) 2x+1
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11. If two sets A and B are having 99 elements in common, then the number of elements common to each of the sets A X B and B X A are
(d) 18
12. The range of the function
13. If A = {1, 2, 3, 4} and B= {5,7,9}, then
(a) A X B = B X A
(c) Both (a) and (b)
(d) None of the above
15. The figure shows a relationship between the sets P and Q. Then, which of the following is/are true?
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(a) I and II are true
(b) III and IV are true
(c) II, III and IV are true
(d) ALL are true
(a) (-4, 12)
(b) (5, 0)
(c) (3, 4)
(d) (2, 4)
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19. Consider the following statements
Statement I: The following arrow diagram represent a function
(a) Statement I is true.
(b) Statement II is true
(c) Both are true
(d) Both are false
20. The set of negative real numbers is denoted by Y. Here, Y refers to
21. The domain and range of the function
(b) N, (0, 1)
(a) {10,40,60,80}
(b) {10,20,40,60}
(c) {10,20,40,80}
(d) {20,60,40,80}
B).[2, 3]
C).[3, 7]
D).[-7, -3]
25. The domain of the function
A).[2, 3]
B).[-2, 2]
C).[3, 1]
D).[-3, -2]
(1) is equal to
(a)1/2
(b)1
(c)3/2
(d) 2
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29. The domain of the function
(b) (-1, -1), (0, 0), (-1, 1), (1, -1), (1, 0), (1, 1), (0, -1)
(c) (1, 0), (-1, 1), (1 -1), (0, 0), (2, 1), (1, 2), (-1, -1)
(d) (-1, 1), (1, -1), (-1, 0), (0, 1), (-1, -1), (1, 0), (0, 0)
35. Suppose the number of elements in set A is p, the number of elements in set B is q and the number of elements in
(d) All of the above
37. Consider the following statements
Choose the correct option,
A).Statement I is true.
B).Statement II is true.
C).Both are true.
D).Both are false.
(d) none of these
Which of there is/are correct?
A).Only (II)
B).Only (I)
C).Only (IV)
D).(II), (III) and (IV)
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42. The relation R defined on set
(d) none of these
A).is a function
B).g is a function
C).Both (a) and (b)
D).None of above
| 1. A | 11. B | 21. A | 31. D | 41. D |
| 2. C | 12. D | 22. A | 32. A | 42. A |
| 3. D | 13. B | 23. C | 33. D | 43. C |
| 4. C | 14. A | 24. D | 34. B | 44. D |
| 5. D | 15. A | 25. D | 35. C | 45. A |
| 6. A | 16. D | 26. C | 36. C | 46. A |
| 7. B | 17. D | 27. D | 37. D | 47. D |
| 8. D | 18. D | 28. C | 38. A | 48. C |
| 9. D | 19. A | 29. B | 39. B | 49. B |
| 10. D | 20. A | 30. B | 40. A | 50. A |
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