Find the number of all onto functions formthe set {1,2,3,….,n} to itself.

Find the number of all one-one functions from set A = {1, 2, 3} to itself.

One function is selected at random from all functions of the set S={1,2,3,.......,n} to itself. If, probability that it is one-one is 3/32 , then n is :

Let E={1,2,3,4} and F={1,2}dot If N is the number of onto functions from EtoF , then the value of N//2 is

Let n(A)=5 and n(B)=3 then find the number of injective functions and onto functions from A to B

The number of subsets of the set {1, 2, 3} is:

Let E = {1, 2, 3, 4} and F = {1, 2}. Then the number of onto functions from E to F is :

Fill in the blank: The number of relations that can be defined from set A = (1,2,3) to the set B = (a,b,c) is ______

Find the number of element of power set of set B have 3 element