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Let `R` be a relation on the set `N` given by `R={(a ,\ b): a=b-2,\ b >6}dot` Then, (a) `(2,\ 4) in R` (b) `(3,\ 8) in R` (c) `(6,\ 8) in R` (d) `(8,\ 7) in R`

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RD SHARMA ENGLISH-RELATIONS-All Questions
  1. Let the relation R be defined in N by aRb, if 2a + 3b = 30. Then R = …...

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  2. Write the smallest equivalence relation on the set A={1,\ 2,\ 3} .

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  3. Let R be a relation on the set N given by R={(a ,\ b): a=b-2,\ b >6}do...

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  4. Which of the following is not an equivalence relation on Z ? a\ R\ b...

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  5. R is a relation on the set Z of integers and it is given by (x ,\ y) i...

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  6. Let R = {(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} be a relation on the ...

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  7. Let R be the relation over the set of all straight lines in a plane ...

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  8. If A={a ,\ b ,\ c} , then the relation R={(b ,\ c)} on A is (a) reflex...

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  9. Let A={2,\ 3,\ 4,\ 5,\ .......\ 17 ,\ 18} . Let ' ' be the equivalenc...

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  10. LetA = {1, 2, 3}Then number of relations containing (1, 2) a n d (1, 3...

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  11. The relation ' R ' in NxxN such that (a ,\ b)\ R\ (c ,\ d)hArra+d=b+c ...

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  12. If A={1,\ 2,\ 3},\ \ B={1,\ 4,\ 6,\ 9} and R is a relation from A to B...

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  13. A relation R is defined from {2, 3, 4, 5} to {3, 6, 7, 10} by : x\ ...

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  14. A relation varphi from C to R is defined by x\ varphi\ yhArr|x|=y . Wh...

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  15. Let R be a relation on N defined by x+2y=8. The domain of R is

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  16. R is a relation from {11, 12, 13} to {8, 10, 12} defined by y=x-3 ....

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  17. Let R={(a ,\ a),\ (b ,\ b),\ (c ,\ c),\ (a ,\ b)} be a relation on set...

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  18. Let A={1,\ 2,\ 3} and R={(1,\ 2),\ (2,\ 3),\ (1,\ 3)} be a relation on...

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  19. If R is the largest equivalence relation on a set A and S is any relat...

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  20. If R is a relation on the set A={1,\ 2,\ 3,\ 4,\ 5,\ 6,\ 7,\ 8,\ 9} gi...

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