Q. Represent the union of two sets by Venn diagram for each of the following.
(i) A ={3, 4, 5, 7} B ={1, 4, 8}
(ii) P = {a, b, c, e, f} Q ={l, m, n , e, b}
(iii) X = { x | x is a prime number between 80 and 100}
Y = { y | y is an odd number between 90 and 100 }