What is the possible number of reflexive relations on a set of 5 elements?
(A) 2¹⁰
(B) 2¹⁵
(C) 2²⁰
(D) 2²⁵


Answer: (C)

Explanation: Number of reflexive relations is 2^n2-n which is 2²⁰ for n = 5

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