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For the relation based on equal sum of digits, the equivalence class of (23) will be the set of which type of numbers?

Answer and explanation

Correct answer: Natural numbers whose digit sum is (5)

Step 1: The digit sum of (23) is (2+3=5). Step 2: Its class contains numbers whose digit sum is (5). Step 3: An equivalence class is formed by the defining condition of the relation.

Related tags

Digit SumEquivalence ClassNatural NumbersEquivalence RelationRelations And FunctionsMathematicsClass 12 Mcq

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