(A) 1 (B) 2 (C) 3 (D) 4
solution:
Alternative (A) is right.
As 1 is reflexive and symmetric yet not transitive.
Let A = {1, 2, 3}. Then number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is
Let A = {1, 2, 3}. Then number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is