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GATE | GATE CS 2010 | Question 3

Difficulty Level : Medium
Last Updated : 28 Jun, 2021

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

Quiz of this Question