Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let 
. Let 
be a relation on 
defined by 
if and only if 
. Let 
be the number of elements in 
and 
be the minimum number of elements from 
that are required to be added to 
to make it a symmetric relation.
Then 
is equal to:
Text Solution
Verified by ExpertsThe correct answer is:
C
Given: 
then
i.e. 16 elements.
i.e. 
Now to make 
a symmetric relation add
i.e. 
So 
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