Let `A` be a set of `n` distinct elements. Then the total number of distinct function from `AtoA` is ______ and out of these, _____ are onto functions.

A set has n elements, then the total number of subsets of A is

Let A and B be two sets having m and n elements respectively . Then total number of functions from A to B is

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

Let X be a set with exactly 5 elements and Y be a set with exactly 7 elements. If alpha is the number of one-one function from X to Y and beta is the number of onto function from Y to X , then the value of 1/(5!)(beta-alpha) is _____.

If a set A has n elements, then the total number of subset of A or the number of elements in the power set of A

A binary operation on a set S is a function from

_________ and ______ properties of the elements are the periodic function of their _______ numbers.