Question

If $U=\{1,3,5,7,9,11,13\}$, then which of the following is/are the subsets of $U$?

• A. $A=\left\{0\right\}$
• B. $B=\{1,9,5,13\}$
• C. $C=\{3,11,7\}$
• D. $D=\{2,3,4,5\}$

Answer 1

Answer: (B), (C)

$C=\{3,11,7\}$

If $U$ is the universal set for the sets $A,B,C,D$ then these sets will be the subset for all these sets.
Now, from the given options,
$B\&C$ are subsets of $U$