determine if the one both or neither of the following is a proportion 16/8 =? 24/12, 8/4 =? 12/6

Question

Neither is a proportion
8/4=12/6 only
16/8=24/12,8/4=12/6
16/8=24/12 only

Answer 1

Neither of the following is a proportion:

16/8 = (24/12)
8/4 = (12/6)