A relation R on a set B is an equivalence relation if it is:

A relation R on a set B is an equivalence relation if it is:

  1. a) Reflexive and symmetric
  2. b) Reflexive and transitive
  3. c) symmetric and transitive
  4. d) Reflexive, symmetric and transitive

From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 49 of 123.

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