Answer:
arithmetic
1,2,3,4,5 common diff = 1
2,4,6,8,10 common diff = 2
geometric
1,2,4,8,16 common ratio = 2
1,3,9,27,81 common ratio = 3
Step-by-step explanation:
arithmetic series may common diff
geometric series may common ratio
I've given you an example. The rest ikaw na bahala. Basic lang yan.