If A = {Whole numbers less than 5} and B = {Natural numbers less than 6}, then A and B are ________.
equivalent sets
A = {Whole numbers less than 5}
A = {0, 1, 2, 3, 4}
B = {Natural numbers less than 6}
B = {1, 2, 3, 4, 5}
As n(A) = n(B), A and B are equivalent sets.