If a subset of the set B,then
`AbigcapB`=?

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 :

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.

If A and B are two sets such that A subsetB ,then what is AcapB ?

Write down all the subsets of the following sets {a,b}

Let A subset B, C subset D , then prove that A xx C subset B xx D