Sets Test - 20...

If $n(A \cup B)=8, n(A)=6, n(B)=4$, then $n(A\cap B)$=

The set $\left( {A \cap B'} \right)' \cup \left( {B \cap C} \right)$ is equal to :

If A and B are any two sets, then $A \cup B$ is  equal to: 

If $A=\left\{2, 4, 6, 8, 10\right\}, B=\left\{1, 3, 5, 7, 9\right\}$, then $A-B$ =____________

Let $A, B$ are two sets such that $n(A)=6, n(B)=8$ then the maximum number of elements in $n(A\cup B)$ is _________

If A={1, 2, 4}, B={2, 4, 5}, C={2, 5}, then (A-C)$\times$(B-C) is equal to

If A and B are two sets such that $n(A)=17, n(B)=23, n(A \cup B)=38$, find $n(A \cap B)$.

Which of the following is set ?

If X and Y are two sets such that $n(X)=45, n(X \cup Y)=76, n(X \cap Y)=12,$ find $n(Y)$.

If A={$x\in N$ : xis a multiple of 3} and
B={$x\in N$ : is a multiple of 6}, then A-B is equal to