Let A and B be two finite sets of orders m and n respectively. Find the number of relations from A to B.

Let A and B be two sets containing 3 and 4 elements respectively. The number of functions from A to B is :

Let A = {1, 2} and B = {3, 4}. Find the number of relations from A to B.

Let A={a,b,c} and B={1,2,3}. Find the number of relations from A into B.

Let A = {x, y,z} and B = {1,2}. Find the number of relations from A to B.

Let A and B be too sets containing four and two elements respectively then the number of subsets of set AxxB having atleast 3 elements is

If A and B are finite sets containing respectivley m and n elements, then find the number of relatiosn that can be defined form A to B.

If A and B are two matrices of the order 3xx m and 3 xx n respectively and m = n, then the order of the matrix 2 A - 5 B is