Question

What are the next three terms in the sequences below?

(1). 2,5,7,12,__,__,__
(2). 9,11,20,31,__,__,__
(3). 2,5,10,50,__,__,__
(4). 1,3,3,9,__,__,__

Answer 1

1)2,5,7,12,15,17,22
2)9,11,20,31,33,42,53
3)2,5,10,50,125,250,1,250
4)1,3,3,9,9,27,27
i think this is the answer i'm not 100% sure this was the answer for mine so if it's not for yours i'm sorry