" Let "A={a,b}." List all relations on "A" and find their number."

Let A = {1, 2}. List all relations on A.

Given A = {p, q}. List all the relations on A.

Given A = {p, q}. List all the relations on A.

Given A = {-7, 7}. List all the relations on A.

Given A = {-7, 7}. List all the relations on A.

Given A = {1, 2). List all the relations on A.

Given A = {1, 2). List all the relations on A.

Let n(A)=p. Then the number of all relations on A is

Let A={1,2,3,4} and B={1,4,5} be two sets. If R is the relation " Find the number of relations from A to B.

Let n(A) = n, then the number of all relations on A, is