Determine whether each of the following sequences is geometric or not

1, 24,36,48,60,62
2, 5,10,20,40,80,160
3, 18,36,54,72,90
4, 512,128,32,8,2
5, 20,16,12,8,4
6, 648,108,18,3

pasagot Po pls:))​