The number of non-bijective mappings that can be defined from `A= {1,2,7}` to itself is

The number of non-surjective mappings that can be defined from A={1, 4, 9, 16 } to B={2, 8, 16, 32, 64} is

Set A has 3 elements and the set B has 4 elements. Then the number of injective mapping that can be defined from A to B is

Set A has 3 elements and the set B has 4 elements. Then, the number of injective mappings that can be defined from A to B is :

If set A has 3 elements and the set B has 5 elements , then , the number of injective mappings that can be defined from A to B is :

The set A has 4 elements and thse set B has 5 elements, then the number of injective mapping that can be defined from A to B is

The set A has 4 elements and thse set B has 5 elements, then the number of injective mapping that can be defined from A to B is

Let n(A) = m and n(B) = n. Then the total number of non-empty relations that can be defined from A to B is

If A = {a_(1),a_(2), ……,a_(10) } and B = {b_(1),b_(2),b_(3),…….b_(10)} then the number of bijections that can be defined from A to B is