Test 2
1.
\(A=\{1,2,3,4,5,6\}\)
\(B=\{2,4,5,6,7\}\)
\(C=\{1,3,4,5,8,9\}\)
\(\Rightarrow (A\cap B)-C=?\)
A) \(\{2,6\}\)B) \(\{4,5\}\)C) \(\{5,6\}\)D) \(\{2,4,5,6\}\)E) \(\varnothing\)
2.
\(B=\{a,b,c,d\}\)
\(A\cup C=\{c,d,e,f\}\)
\(\Rightarrow (B\cap A)\cup(B\cap C)=?\)
A) \(\{a,b\}\)B) \(\{c,d\}\)C) \(\{d,e\}\)D) \(\{c,f\}\)E) \(\{b,f\}\)
3.
\(A=\{a,b,c\}\)
\(B=\{b,c,d,e\}\)
\(C=\{b,e,f\}\)
\(\Rightarrow (A\cup B)\cap C=?\)
A) \(\{b,e,f\}\)B) \(\{b\}\)C) \(\{b,f\}\)D) \(\{b,e\}\)E) \(\{a,b,c,d,e,f\}\)
4.
\(A=\{a,b,c\}\)
\(B\cup C=\{a,b,d,1,2\}\)
\(\Rightarrow (A\cap C)\cup(A\cap B)=?\)
A) \(\{d,1,2\}\)B) \(\{1,2\}\)C) \(\{a,b\}\)D) \(\{b,d\}\)E) \(\{a,b,d,1,2\}\)
5.
\(A=\{1,2,\{3\},\{a,b\},d,e\}\)
\(B=\{\{1\},2,3,a,b,\{d\}\}\)
\(\Rightarrow n(A\setminus B)=?\)
A) \(1\)B) \(2\)C) \(3\)D) \(4\)E) \(5\)
6.
\(A=\{a,b,c,d,\{a,b\},\{d\}\}\)
\(B=\{\{a\},b,e,f,\{a,d\}\}\)
\(\Rightarrow n(A\setminus B)=?\)
A) \(2\)B) \(3\)C) \(4\)D) \(5\)E) \(6\)
7.
\(A=\{a,\{b\},c,\{d,e\},f\}\)
\(B=\{\{a\},b,c,d,e,\{f\}\}\)
\(\Rightarrow n(A\setminus B)=?\)
A) \(1\)B) \(2\)C) \(3\)D) \(4\)E) \(5\)
8.
\(A\subset U\quad B\subset U\)
\(A=\{a,b,c,d\}\)
\(B=\{c,d,e\}\)
\(\Rightarrow n(A\cap(B\cup A'))=?\)
A) \(1\)B) \(2\)C) \(3\)D) \(4\)E) \(5\)