Q2 of 162 Page 1

Mark the correct alternative in the following:

Let A and B be two sets in the same universal set. Then, A − B =


A∖B is the set of elements which are in A but not in B


⇒A∖B is the set of elements which are in A and in B'


⇒A∖B is the set of elements of A⋂B'


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11

If A and B are two sets such that n(A) = 115, n(B) = 326, n (A − B) = 47, then write .

 1

Mark the correct alternative in the following:

For any set A, (A’) is equal to


 3

Mark the correct alternative in the following:

The number of subsets of a set containing n elements is


 4

Mark the correct alternative in the following:

For any two sets A and B ,=