1.If A\{1,2,3\},then how many equivalence relation can be defined on A containing (1,2) (a)2 (b) 3 (c) 8 (d) 6
1.If A\{1,2,3\},then how many equivalence relation can be defined on A containing (1,2) (a)2 (b) 3 (c) 8 (d) 6

Sol:
Correct option is A.2