Question

Let $A=\{2,4,6\}$ and $B=\{x:x\text{is an even natural number less than}8\}$, then which of the following is/are correct?

• A. $A\subset B$
• B. $B\subset A$
• C. $A\ne B$
• D. $n\left(A\right)<n\left(B\right)$

Answer 1

Answer: (A), (B)

$B\subset A$

Given $A=\{2,4,6\}$
$B=\{2,4,6\}$
Therefore ,
$A\subset B$
$B\subset A$
$A=B\Rightarrow n\left(A\right)=n\left(B\right)$