If A = { set of letters in the word BOOK} and B ={a, e, i }, then A and B are _________.
equal sets
equivalent sets
null sets
joint sets
If A = {letters in the word BOOK} and B ={a, e, i }, then A and B are _________.
If A = {letters of the word CRICKET} and B = {letters of the word HOCKEY}, then A and B are ___.
If A = {1, 3, 7, 8} and B = {2, 4, 6}, then A and B are ______ .