$A-(A-B)$ is
$A \cup B$
$A \cap B$
$A \cap {B^c}$
${A^c} \cap B$
If $A$ and $B$ are any two sets, then $A \cup (A \cap B) $ is equal to
If $A=\{3,5,7,9,11\}, B=\{7,9,11,13\}, C=\{11,13,15\}$ and $D=\{15,17\} ;$ find
$\left( {A \cap B} \right) \cap \left( {B \cup C} \right)$
If $A=\{3,6,9,12,15,18,21\}, B=\{4,8,12,16,20\},$ $C=\{2,4,6,8,10,12,14,16\}, D=\{5,10,15,20\} ;$ find
$C-A$
Which of the following pairs of sets are disjoint
$\{a, e, i, o, u\}$ and $\{c, d, e, f\}$
Find the intersection of each pair of sets :
$X=\{1,3,5\} Y=\{1,2,3\}$
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