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On (A={1,2,3,4,5,6}), (aRb) when (a) and (b) leave the same remainder on division by (3). How many equivalence classes does (R) form?

Answer and explanation

Correct answer: (3)

Step 1: The possible remainders on division by (3) are (0,1,2). Step 2: Each remainder forms a separate class. Step 3: In modulo (n), we usually get (n) remainder classes if all remainders occur.

Related tags

RelationsFunctionsEquivalence RelationEquivalence ClassesModuloRelations And FunctionsMathematicsClass 12 Mcq

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