Home
Class 12
MATHS
If A={1,2,3} the number of reflexive rel...

If `A={1,2,3}` the number of reflexive relations in A is

A

9

B

3

C

64

D

25

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EXPRESSIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONOS ) ( SET -4)|4 Videos

  • SEQUENCES AND SERIES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE|156 Videos

Similar Questions

Explore conceptually related problems

If A={1,2,3} the number of symmetric realtions in A is

If n(A) = 3, then number of reflexive relations that can be defined on A is

If n(A) = 3, then number of equivalence relations is

If n(A) = 4, then number of equivalence relations is

If A = {1,2,3} the number of subsets of A is

A={a, b, c},B={1,2} then the number of relations from A to B is

Reflex action involves

Let A={1,2,3}. Then show that the number of relations containing (1,2) and (2,3) which are reflexive and transitive but not symmetric is three.

DIPTI PUBLICATION ( AP EAMET)-RELATIONS-Exercise
  1. The relation II is

    Text Solution

    |

  2. For , n m in N,n I m means that n is a factor of m the relation is

    Text Solution

    |

  3. Let x,y in Z and suppose that a relation R on Z is defined by x R y ...

    Text Solution

    |

  4. The relation " son of " is

    Text Solution

    |

  5. In the set of all triangles "similarity is

    Text Solution

    |

  6. A and B are two sets having 3 and 4 elements respectively and having 2...

    Text Solution

    |

  7. If the relation R:A rarr B where A={1,2,3,4} and B={1,3,5} is defined...

    Text Solution

    |

  8. Let R={(x,y):x,y in A,x+y=5} where A= { 1,2,3,4,5} then

    Text Solution

    |

  9. Let R be relation on a set A such that R=R^(-1) then R is

    Text Solution

    |

  10. For x,y in R define a relation R by x R y if and only if x-y +sqrt(2) ...

    Text Solution

    |

  11. If R and S are two symmetric relation then

    Text Solution

    |

  12. f is a relation on the set R of real numbers defined (a,b) in f rarr 1...

    Text Solution

    |

  13. Let W denote the words in the english dicitionary define the relatio...

    Text Solution

    |

  14. If A={1,2,3} the number of reflexive relations in A is

    Text Solution

    |

  15. If A={1,2,3} the number of symmetric realtions in A is

    Text Solution

    |

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

    Text Solution

    |

  17. The set S={1,2,3….12} is to be partitioned into three sets A,BC of equ...

    Text Solution

    |

  18. Let R be the relation on the set R of all real numbers defined by a R ...

    Text Solution

    |

  19. The relation "less than " in the set of natural numbers is

    Text Solution

    |

  20. Let N denote the set of all natural numbers and R be the relation on N...

    Text Solution

    |