Question

Which would would be next in the series - ACE, TAB, COG, ADD, EAR, RAF, GUT, UGH, IVY, TAJ, ?? These words follow a logical progression: ACE TAB COG ADD EAR RAF GUT UGH IVY TAJ

Answer 1

If v c in zig zag way, we'l find alphatical order starting from A, 
Ace
taB
Cog
adD
Ear
raF
Gut
ugH
Ivy
taJ
so next 
Kid