Question

please answer the questions and mark u the brainiest
19,28,10,37,?
8,10,1220,30,?,105,240
5,18,39,68,105,?
409,?,361,312,223,54

Answer 1

19,28,10,37,71
8,10,1220,30,?,105,240
5,18,39,68,105,150
409,390,361,312,223,54
This is my answer... Im really sorry, i wasnt able to do the 2nd part :(