Answer: Reflexive, symmetric and transitive.
- A Reflexive alone, since transitivity and symmetry both supposedly fail
- B Symmetric alone, assuming no pair (a,a) is actually present
- C Reflexive, symmetric and transitive
- D Transitive alone, assuming reflexivity is taken not to hold
Correct answer: C. Reflexive, symmetric and transitive
Explanation: R is the identity relation: reflexive (each relates to itself), symmetric, and transitive.
Concept context
Ordered pairs, Cartesian products, types of relations and functions, domain and range. Foundation for calculus and Class 12 algebra.