The total number of functions from A to itself is 256, then n(A)=

If n(B)=p,n(B)=q and total number of functions from A to B is 343, then p-q (A) 3 (B) -3 (C) 4 (D) none of these

Find the total number of function from a set A to B where n(A)=3 and n(B)=4

The total number of onto functions from the set {1,2,3,4) to the set (3,4,7) is

The number of bijective functions from set A to itself when A contains 106 elements is

Let A be a set of n distinct elements.Then the total number of distinct function from A to A is ( and out of these,)/( functions.)

Let A be a set of n distinct elements. Then find the total number of distinct functions from A to A? How many of them are onto functions?