Question

What is the missing numbers? input: q 9,15,_,27,33,_ output : g _,18,24,_,36,42

Answer 1

For the first one you are adding 6 every time. So the first blank will be 21,the last one will be 39. 
For the second one you are also adding six. So the first blank will be 12,a nd the second one will be 30.
Hope it helps:).

Answer 2

Out: 9,15,21,27,33,39 In: 12,18,24,30,36,42