Let A and B be any two sets such that n(B)=P, n(A)=q then the total number of functions f:` A -> B` is equal to

Let A,B are two sets such that n(A)=5,n(B)=7 then the maximum number of elements is A cup B is

If A and B are two sets with n(A)=4 and n(B)=2 then the number of onto functions from A to B is

If A and B are two sets with n(A)=4 and n(B)=2 then the number of onto functions from A to B is

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

If A and B are finite sets such this n(A) = p,n(B) =q , then the total no, of functions that exists between A and B is :

Let A and B be two finites sets such that n(A)=m and n(B)=n. If the ratio of number of elements of power sets of A and B is 64 and n(A)+n(B)=32. Find the value of m and n.

Let A and B be two sets such that n(A)=20 n(AcupB)= 42 , n(AcapB)= 4 .Find n(B)

Let A and B be two sets such that n(A)=20 n(AcupB)= 42 , n(AcapB)= 4 .Find n(A-B)

Let A and B be two sets such that n(A)=20 n(AcupB)= 42 , n(AcapB)= 4 .Find n(B-A)