If the number of reflexive relations defined on a set A is 64, then the number of elements in A is _____

If the numbers of different reflexive relations on a set A is equal to the number of different symmetric relations on set A, then the number of elements in A is

If the numbers of different reflexive relations on a set A is equal to the number of different symmetric relations on set A, then the number of elements in A is

Let A be a set containing n elements. If the number of reflexive relations that can be defined on A is 64, then n is equal to

The set A contains 3 elements and the number of relation from A to another set B is 64. find the number of elements in B .

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

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

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