Relations and functions  01
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Practise questions for students giving CBSE Class 12 board exam, mathematics, relations and functions, free online test with answers!
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Question 1 of 10
1. Question
1 pointsIf R is a relation from a non – empty set A to a non – empty set B, then
Correct
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Question 2 of 10
2. Question
1 pointsLet A = { 2 , 3 , 6 }. Which of the following relations on A are reflexive ?Correct
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Question 3 of 10
3. Question
1 pointsLet R be the relation on N defined as x R y if x + 2 y = 8. The domain of R isCorrect
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Question 4 of 10
4. Question
1 pointsWhich of the following is not an equivalence relation on I, the set of integers ; x, yCorrect
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Question 5 of 10
5. Question
1 pointsLet A = {a, b, c} and R = {(a, a), (b, b), (c, c), (b, c) } be a relation on A. Here, R isCorrect
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Question 6 of 10
6. Question
1 pointsR = {(1, 1), (2, 2), (1, 2), (2, 1), (2, 3)} be a relation on A, then R isCorrect
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Question 7 of 10
7. Question
1 pointsLet A = {1, 2, 3}. Which of the following is not an equivalence relation on A ?Correct
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Question 8 of 10
8. Question
1 pointsLet A = {1, 2, 3}, then the relation R = {(1, 1), (2, 2), (1, 3)} on A isCorrect
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Question 9 of 10
9. Question
1 pointsLet A = {1, 2, 3}, then the relation R = {(1, 1), (1, 2), (2, 1)} on A isCorrect
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Question 10 of 10
10. Question
1 pointsIf A is a finite set containing n distinct elements, then the number of relations on A is equal toCorrect
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