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GATE | GATE CS 2010 | Question 3

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What is the possible number of reflexive relations on a set of 5 elements?
 

(A)

225
 

(B)

220
 

(C)

215
 

(D)

210
 



Answer: (B)

Explanation:

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



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Last Updated : 28 Jun, 2021
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