If A = set of whole numbers and B = set of natural numbers, then the set of elements belonging to A and B is _____ .
phi
{phi}
A
B
If A = {set of whole numbers < 5} and B = {set of natural numbers < 6}, then A and B are________.
If A = {set of th first four natural numbers} and B = {set of the first four whole numbers}, then sets A and B are _______.
If A = {set of whole numbers less than 6} and B = {set of prime natural numbers less than 7}, then _________ .
If A = {1, 3, 5, 7, 9, 11, 13, 15, 17}, B ={2, 4, ......, 18} and N, the set of natural numbers is the universal set, then (A′∪[(A∪B)∩B′]) is