`X={1,2,3,....2017}` and `AsubX; BsubX;AuuBsubX` here `PsubQ` denotes that P is subset of `Q(P!=Q)` Then number of ways of selecting unordered pair of sets A and B such that `AuuBsubX.`

X={1,2,3,....2017} and A sub X;B sub X;A uu B sub X here P sub Q denotes that P is subset of Q(P!=Q) Then number of ways of selecting unordered pair of sets A and B such that A uu B sub X.

A set A has 6 elements . The number of ways of selecting two subsets P and Q are disjonit is

If a set A has 5 elements , then the number of ways of selecting two subsets P and Q from A such that P and Q are mutually disjoint is

There are p letters a,q letters b,retters C.The number of ways of selecting k letters out of these if p

Let S={1,2,3,4}. The total number of unordered pairs of disjoint subsets of S is equal to :

Let S={1,2,3,4} . The total number of unordered pairs of disjoint subsets of S is equal