For the following questions answer them individually
Let N denote the set of natural numbers. Define
$$A = \left\{ x \mid x = 4n, n ∈ N\right\} and B = \left\{ x \mid x = 6n, n ∈ N\right\}$$ then $$A \cap B = $$
If $$A = \left\{p, q, r, s \right\}$$ then a relation on $$A$$, which is not transitive among the following?
If a set A has 6 elements, then the number of reflexive relations on A that are not symmetric is
An equation of a line passing through (4, 3) and marking intercepts on coordinate axes whose sum is equal to -1 is