If `A ={1,2,3,4,5},` then the number of proper subsets of A is

If A={0,1,2,3,4} , then the number of proper subsets of A is

If x={1,2,3,4,5,6,7}, then the number of proper subsets of x, containing 7, is

The number of proper subsets of {1,2,3} is

The number of proper subsets of { 1, 2, 3} is

If A={1,2,3,4,5,6} , then the number of subsets of A which contain atleast two elements is

n(A)=3 then number of proper subsets of A is……………

If A = {1,2,3,4,5,"……..",10} , then the number of subsets of A which consists of 2,4,6,8 and 10 but not 1,3,5,7 and 9 is "_______" .