The number of possible subsets of `{1,2,3}` is

The number of all possible subsets of a set containing n elements ?

The number of proper subsets of A = {1,2,3,4,5) is ………..

Determine the number of subsets of {1,2,3…50} whose sum element is larger than or equal to 638.

If there are 4 elements in A , then number of proper subsets of A are :

Number of non-empty subsets of {1,2,3,..,12} having the property that sum of the largest and smallest element is 13.

Let 1 le m lt n le p . The number of subsets o the set A={1,2,3, . . .P} having m, n as the least and the greatest elements respectively, is

A set A contains 10 elements. Set B is subset of A and sec C is also subset of A. B and C are such that CuuB=A amd CnnB=varphi . Then number of possible ordered pairs of set B and C is 2^9 (2) 2^8 (3) 3^(10) (4) 2^(10)

If the solution set of |x-k| lt 2 is a subset of the solution of the inequality (2x-1)/(x+2) lt 1 , then the number of possible integral value(s) of k is/ are :

Give the total number of possible isomers of [Co1_(2)(CN)(NH_(3))en] .

Let S={1,2,3, …, 100} . The number of non-empty subsets A to S such that the product of elements in A is even is