Sets, Relations and Functions: JEE Main 2026 Mathematics question

Let $A=\{0,1,2,\ldots,9\}$. Let R be a relation on A defined by $(x, y)\in R$ if and only if $|x-y|$ is a multiple of 3. Given below are two statements: Statement I: $n(R)=36$. Statement II: R is an equivalence relation. In the light of the above statements, choose the correct answer from the options given below