[" If "A={1,2,3,4}," then the number of "],[" functions on the set "A" ,which are not "],[" one - one,is: "]

If A = {a, b, c, d}, then the number of functions on the set A which are not one-one, is_

A = {1,2} , the number of one - one functions on A to A is ........

If A= {1,3,5,7} and B= {1,2,3,4,5,6,7,8} , then the number of one-to-one functions from A into B is

If A = {1,3,5,7} and B = {1,2,3,4,5,6,7,8}, then the number of one-to-one functions from A into B is

Let A = { a, b,c } and B = {1, 2, 3, 4} . Then the number of elements in the set C = { f : A to B |2 in f(A) and f is not one-one } is

If S={1,2,3} then what is the number of one - one and onto functions from S to itself ?

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

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

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