Question

1, 4, 9, 16, 25, …
Question 6 answers

36, 47, 68

36, 49, 64

25, 36, 49

36, 49, 54

Answer 1

Well now... this is rather tricky :D

Answer 2

yeah :D

Answer 3

Here...

Answer 4

Oh I got it I think it is always plus 2

Answer 5

Nope...

Answer 6

I mean from 1-4 it is 3 then 3 plus 2 is 5 which makes it 9 and then so on..

Answer 7

n^2 where n=1,2,3,4,5,...etc

Answer 8

Earlier, the difference was constant.
Now the difference themselves are a sequence.
You add 3, you add 5, you add 7

Answer 9

yeah thats what I meant so it is b

Answer 10

But then again, I'm inclined to agree with @mathsmind it seems so much simpler
Occam's razor, anyone? :D