Let A be a non-empty set. Then a relation R on A is said to be an equivalence relation on A. If R is ______

When a relation R on a set A is said to be reflexive

If relation R defined on set A is an equivalence relation, then R is

If R is an equivalence relation on a set A, then R^-1 is

Let R and S be two equivalence relations on a set A Then : A. R uu S is an equvalence relation on A B. R nn S is an equirvalenee relation on A C. R - S is an equivalence relation on A D. None of these

Let A and B be two non empty sets. R be the relation for A to B . Then which is true?

Let R and S be two equivalence relations on a set A Then : " " A. R uu S is an equvalence relation on A " " B. R nn S is an equirvalence relation on A " " C. R - S is an equivalence relation on A " " D. None of these

Let S be a non-empty set of children in a family and R be a relation on S defined by a R b iff a is a brother of b then R is