Sets Test - 7...

The Collection of intelligent students in a class is

If A = { 1,2,3 } , and B = { 1,3,5,7 } , then A ∪ B =

If A = { 1,2,3,4 } , B = { 4,5,6,7 } ,A∩B=

Let A = { 1,2,3,4 }  then total number of subsets of A are given by

If A = { 1,2,3,4 } and  B = { 4,5,6,7 }  then A−B =

If n (A ) =3 and n ( B ) = 6 and A⊆ B , then n(A∪B)=?

If n (A ) =3 and n ( B ) = 6 and A⊆ B , then n(A∩B)   is equal to

Let A and B be subsets of a set X , Then which of the following is correct