Self Studies
Self Studies
Self Studies
Self Studies

Sets, Relations...

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  • Question 1
    4 / -1

    Let R be a relation on set A such that R = R–1 , then R is

  • Question 2
    4 / -1

    Let R = {(a, a)} be a relation on set A. Then r is

  • Question 3
    4 / -1

    The relation “is subset of” on the power set P(A) of a set A is

  • Question 4
    4 / -1

    The relation R defined on set A is antisymmetric if (a, b) ϵ R ⇒(b,a) ϵ R for

  • Question 5
    4 / -1

    In the set A = {1,2,3,4,5} a relation R is defined by R = {(x, y)| x, y ϵ A and x < y}. Then R is

  • Question 6
    4 / -1

    Let A be the the non – void set of the children in a family. The relation ‘x’ is a brother of ‘y’ on A is

  • Question 7
    4 / -1

    The number of reflexive relations of a set with four elements is equal to

  • Question 8
    4 / -1

    The void relation on a set A is

  • Question 9
    4 / -1

    Let R1 be a relation defined by R1 = {(a, b)| a ≥ b, a, b ϵ R}. Then R1 is

  • Question 10
    4 / -1

    Which one of the following relations on R is an equivalence relation ?

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