Q21MCQ

The binary relation $R = \{(1, 1), (2, 1), (2, 2), (2, 3), (2, 4), (3, 1), (3, 2), (3, 3), (3, 4)\}$ on the set $A=\{1, 2, 3, 4\}$ is

Q22MCQ

Suppose A is a finite set with n elements. The number of elements in the largest equivalence relation of A is

Q23MCQ

The number of equivalence relations of the set {1,2,3,4} is

Q24MCQ

Let R be a non-empty relation on a collection of sets defined by $_{A}R_B$ if and only if $A \cap B = \phi$ . Then, (pick the true statement)