If the number of subsets with two elements of a set P is 10,then find the total number of elements in set P.

Two finite sets have m and n elements. The number of elements in the power set of first set is 48 more than the total number of elements in the power set of the second set. Then the value of m and n are : a) 7,6 b) 6,3 c) 6,4 d) 7,4

Suppose the number of elements in set A is p, the number of elements in set B is q and the number of elements in A times B is 7. Then p^(2)+q^(2) is equal to :a)42 b)49 c)50 d)51

If the set A has 3 elements and the set B = {3,4,5}, then find the number of elements in (A xx B) .

Find the number of subsets of C which has 3 elements.

Two finite sets have m and n elements, The total number of subsets of the first set is 56 more than the total number of subsets of the second set. Find the values of m and n.

Two finite sets have m and n elements respectively . The total number of subsets of first set is 56 more than the total number of subsets of the second set. The value of m and n respectively are :

If A = {a, b, c}. Find the number of elements in the power set of A.

If S is a set with 10 elements and A= {(x,y):x, y in S, x ne y} , then the number of elements in A is