Question

If X = {x : x = 4(n – 1), n ∈N} and Y = {y : y = 3n – 2n – 1, n ∈N}, then X∪Y is
(a) W (b) X (c) Y (d) N

Answer 1

If we take n = 1
We get X = 0 and Y = 0
So the ans to the Ques is part A
Whole no. (W)