Which one (s) are multiples of 6

Multiples of 6 would just is another was of saying factors of 6. So multiples of 6 would just be 6,12,18,24,30,36,42 ... and so on. So anytime you think of multiples, its just multiply the number by 1,2,3,4,5,6,7 and you'll get your answer.

6, 12, 18, 24, 30, 36, 42, 48, 54, 60 and it goes. You juste have to continue to add 6