Question

If A = {1, 3, 5} and B = {1, 2, 3, 4, 5, 6} then AUB

1) Ø
2) {1,2,3,4,5,6}
3) {2,4,6}

Answer 1

AUB would be the second one

Explanation:

union means all the elements of the mentioned sets, combined. However it is mandatory that you don't repeat the elements even if they are written twice