If `P={1,3},Q={2,3,5}`,then find the number of relations from P to Q

If P={4,5},Q={7}, find the defined relations from P to Q

If P = {4. 5},'Q = {7}. find the defined relations from P to Q.

If P = {1,2,3,4,5} and Q = {a,b,c}, then the number of onto functions from P to Q is

If P = {1,2,3,4,5} and Q = {a,b,c}, then the number of onto functions from P to Q is

If n(A) = p and n (B) = q then numbers of non void relations from A to B are (2^(p+q)-1) .

Find the number of relations which can be defined from P = {1,2,3} to Q = {x,y}

Let X = {1, 2, 3,.......... 10} and P = {1, 2, 3, 4, 5} . The number of subsets Q of X such that P Delta Q = {3) is __________

If p/q = 6/5 , then find the value of the ratio (5p-6q)/(3p+4q)

Let P={1,2,3} , Q={a, b} Find P x Q and Q x P