Question

If A = {4, 5, 6, 7, 8, 9}, B = {4, 5, 6}, C = {7, 8, 9} then which of the following statements are correct ?

• A. $A\supseteq B$
• B. $B\subseteq A$
• C. B and C are equivalent sets
• D. $B\subseteq C$

Answer 1

Answer: (A), (B), (C)

The correct options are
A

$A\supseteq B$

B

$B\subseteq A$

C

B and C are equivalent sets

All the elements of B are elements of A

$\Rightarrow B\subseteq A$

$\Rightarrow A\supseteq B$

Also, both B and C have same no. of elements

$\Rightarrow$ They are equivalent sets.