There will be no onto function from A to B when n(A) =4, n(B) =5

There will be no one-one function from A to B when n(A) =4, n(B) =3

The number of bijective functions from A to B if n(A)=n(B)=4

the number of one - one and onto mapping from A to B where n (A) = 6 and n (B ) = 7 is :

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

The number of possible constant functions from A to B, if n(A)=6 and n(B)=4 is

The number of one-one and onto mapping from A to B, where n(A)=6andn(B)=7 is :

If n(A)=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

Let A be the set with n elements. The number of onto functions from A to A is

The number of functions from the set A into the set B, when n(A) = 7 and n(B) = 5 is