Question
Mathematics Question on Sets
If A = {1, 2, {3, 4}, 5}, then which of the following is incorrect?
A
{3,4} ∈ A
B
{{3,4}}⊂A
C
{3,4}⊂A
D
None of these
Answer
{3,4}⊂A
Explanation
Solution
The correct option is (C): {3,4}⊂A.
If A = {1, 2, {3, 4}, 5}, then which of the following is incorrect?
{3,4} ∈ A
{{3,4}}⊂A
{3,4}⊂A
None of these
{3,4}⊂A
The correct option is (C): {3,4}⊂A.