If `B={1,2,3}` and `A={4,5,6,7,8}` then the number of surjections from `A` to `B` is

If A={1,2,3},B={1,2,3,4,5,6,7,8} then the number of functions f from A to B such that f(i)lt=f(j) AAiltj

If A= {1,3,5,7} and B= {1,2,3,4,5,6,7,8} , then the number of one-to-one functions from A into B is

Find the number of surjections from A to B, where A={1,2,3,4}, B={a,b}.

If A = {1,2,3,4} and B={5,6,7} , then A nn B is :

Find number of surjection from A to B where A={1,2,3,4,5},B={a,b,c}

If A={1,8,11,14,25} then the condition to define a surjection from A to B is

A={1,2,3,4,5,6,7},B={3,4,5}, then the number of subsets C of A such that B-C=phi, is

Let A={1,2,3} and B={1,2,3,4,5,6,7} Among all the functions from A to B, the number of such that

Let A={1,2,3,5,6} and B={1,6,7,8} . Let R be a relation from A to B is defined as R=((a,b):a>b,a in A and b in B} .Then the number of elements in R is