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Class 11 Maths Practice Test - Relations and Functions
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Class 11 Maths Practice Test - Relations and Functions
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10 Questions

1. A relation is a subset of cartesian products.
2. If A={1,4,8,9} and B={1, 2, -1, -2, -3, 3,5} and R is a relation from set A to set B {(x, y): x=y2}. Find codomain of the relation.
3. Let A={1,2,3,4,5} and R be a relation from A to A, R = {(x, y): y = x + 1}. Find the range.
4. If A={1,4,8,9} and B={1, 2, -1, -2, -3, 3,5} and R is a relation from set A to set B {(x, y): x=y2}. Find range of the relation.
5. Let A={1,2,3,4,5} and R be a relation from A to A, R = {(x, y): y = x + 1}. Find the domain.
6. Let A={1,2} and B={3,4}. Which of the following cannot be relation from set A to set B?
7. Let A={1,2,3,4,5} and R be a relation from A to A, R = {(x, y): y = x + 1}. Find the codomain.
8. If set A has 2 elements and set B has 4 elements then how many relations are possible?
9. If A={1,4,8,9} and B={1, 2, -1, -2, -3, 3,5} and R is a relation from set A to set B {(x, y): x=y2}. Find domain of the relation.
10. Is relation from set A to set B is always equal to relation from set B to set A.