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Maths-

General

Easy

Question

$X$ is the set of all residents in a colony and $R$ is a relation defined on $X$ as follows:
“Two persons are related iff they speak the same language”
The relation $R$ is

Only symmetric
Only reflexive
Both symmetric and reflexive but not transitive
Equivalence

The correct answer is: Equivalence

Clearly, $R$ is an equivalence relation

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