If set A contains p elements and set B contains q elements then their total number of reletions from A to B is-

If a set A contains 10 elements and a set B contains 20 elements then the numbers of functions from A into B is

If the set A contains 7 elements and the set B contains 10 elements, then the number of one-one functions from A to B is

If the set A contains 7 elements and the set B contains 10 elements,then the number of one- one functions from A to B is

If A contains 4 elements and B contains 3 elements, then total number of distinct relations from a set A to set B is

Set A contains 3 elements and set R contains 2 elements. The number of onto functions from A onto B is

If a set A contain 7 elements and the set B contain 9 elements, then the number of one-one and onto , mappings from A to B is :

If the set A contains 5 elements and the set B contains 6 elements , then the number of one -one and onto mapping from A to B is ....