Q. The number of reflexive relations of a set with four elements is equal to
A) $2^{16}$
B) $2^{12}$
C) $2^{8}$
D) $2^{4}$
Explanation
(b)
Number of reflexive relations of a set of 4 elements$= 2^{4^{2} - 4}$
$= 2^{12}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.